if peter expends 2,000 calories running a mile in one hour and samantha burns 1000 calories riding a bike in thirty minutes. who exerted the greatest amount of power?

The theory of gravity is regarded as incomplete because it does not attempt to explain the origin of the force of gravity. Additionally, general relativity only provides a relatively simple understanding of gravity.

It does not explain the larger scale structure of the universe, which requires the addition of other components and physical constants. Furthermore, the very nature of gravity remains shrouded in mystery, and its effects, including blackholes and dark matter, have yet to be fully explained.

As a result, the theory of gravity is incomplete and requires further understanding. This is why modern physicists are still working to further develop and refine the theory of gravity, attempting to find a Grand Unified Theory which will provide a single explanation for all known forces in nature.

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The phenomenon of loss caused by magnetism that remains in a material after the magnetizing force has been removed is known as hysteresis loss.

When a magnetic material is subjected to an alternating magnetic field, it experiences hysteresis, which is the lag between the magnetizing force and the resulting magnetic flux density. This hysteresis results in energy losses due to the material's inherent resistance to changes in magnetization. The energy losses are proportional to the area of the hysteresis loop and are dissipated as heat within the material.
Hysteresis loss is an important consideration in the design of magnetic components such as transformers and inductors, where it can result in reduced efficiency and increased operating temperatures. Materials with lower hysteresis loss are preferred for these applications, such as high-permeability iron-silicon alloys.
In summary, hysteresis loss is the energy dissipated due to the lag between magnetizing force and magnetic flux density in a material, and it is an important consideration in the design of magnetic components.

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The force exerted by the radiation on the surface can be found using the formula F = P/c, where c is the speed of light in m/s. In this specific case, the force is approximately 3.3 x 10^-10 N.

To calculate the force of the radiation on the surface, we first need to find the total power (P) that falls on the surface. Power is the rate at which energy is transferred, and is given by the formula:

P = I x A

where I is the intensity of the light in watts per square meter (W/m2) and A is the area of the surface in square meters (m2).

In this case, the intensity is given as 1 kW/m2, or 1000 W/m2 (since 1 kW = 1000 W). The area is given as 1 cm2, or 0.0001 m2 (since 1 m2 = 10,000 cm2).

So, we have:

P = I x A = 1000 W/m2 x 0.0001 m2 = 0.1 W

Next, we need to find the force (F) exerted by the radiation on the surface. This can be done using the formula:

F = P/c

where c is the speed of light, which is approximately 3 x 108 meters per second (m/s).

Substituting the values we have:

F = P/c = 0.1 W / 3 x 108 m/s = 3.3 x 10^-10 N

Therefore, the force of the radiation on the surface is approximately 3.3 x 10^-10 N.

In summary, the long answer is that the force of the radiation on the surface is found by first calculating the total power that falls on the surface using the formula P = I x A, where I is the intensity of the light in W/m2 and A is the area of the surface in m2. Next, the force exerted by the radiation on the surface can be found using the formula F = P/c, where c is the speed of light in m/s. In this specific case, the force is approximately 3.3 x 10^-10 N.

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The block attached to a spring hanging from the ceiling stretches 1.6 cm before reaching its new equilibrium length. When the block is pulled down slightly and released, it will undergo simple harmonic motion.

When a block is attached to a spring and stretched from its equilibrium position, it creates a restoring force that causes the spring to return to its original length. This restoring force is proportional to the displacement from the equilibrium position, and it causes the block to undergo simple harmonic motion when released. The amplitude of the motion is equal to the initial displacement of the block, which in this case is 1.6 cm. The period of the motion depends only on the mass of the block and the spring constant of the spring, and it is given by T=2π√(m/k), where m is the mass of the block and k is the spring constant.

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The average voltage generated in the moving conductor is 100,000 volts.

To calculate the average voltage generated in a moving conductor, we need to use Faraday's Law of Electromagnetic Induction. According to this law, the induced voltage in a conductor is proportional to the rate of change of magnetic flux linking the conductor. Here, we are given that the conductor cuts 2.5 x 106 maxwells in 1/40 second.
Maxwell is a unit of magnetic flux, which is defined as the total magnetic field passing through a given area. Therefore, 2.5 x 106 maxwells represent the magnetic flux that the conductor cuts through in 1/40 second.
To calculate the average voltage generated, we need to divide this magnetic flux by the time taken to cut it. Therefore, the average voltage generated in the moving conductor can be calculated as:
Average Voltage = (2.5 x 106 maxwells) / (1/40 second)
Simplifying this expression, we get:
Average Voltage = (2.5 x 106 maxwells) x (40 seconds)
Average Voltage = 100,000 volts

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The amount of kilocalories generated when the brakes are used to bring a 1100-kg car to rest from a speed of 90 km/h can be calculated using the formula:

Energy = 0.5 * mass * velocity^2

Converting the given speed of 90 km/h to m/s, we get 25 m/s. Substituting the values, we get:

Energy = 0.5 * 1100 kg * (25 m/s)^2 = 687,500 J

To convert this energy from joules to kilocalories, we need to divide by 4184 J/kcal. Therefore, the amount of kilocalories generated is:

687,500 J / 4184 J/kcal = 164.1 kcal

So, the brakes generate 164.1 kilocalories when used to bring the car to rest from a speed of 90 km/h.

In summary, the amount of kilocalories generated when the brakes are used to bring a 1100-kg car to rest from a speed of 90 km/h is 164.1 kcal. This energy can be calculated using the formula for kinetic energy and then converting it from joules to kilocalories.

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When light passes through a polarizer, the intensity of the transmitted light is given by Malus's Law: I = I₀ * cos²(θ) where I is the transmitted intensity, I₀ is the initial intensity, and θ is the angle between the transmission axis of the polarizer and the polarization direction of the incident light.

In the first scenario, when the two sheets of HN-32 with parallel transmission axes are used, the transmitted intensity (flux density) of the emerging beam can be calculated by applying Malus's Law twice:
I₁ = I₀ * cos²(0°)
I₂ = I₁ * cos²(0°)
Since the transmission axes are parallel, the angle θ between the axes and the polarization direction of the incident light is 0°. Therefore, the transmitted intensity of the emerging beam is equal to the initial intensity I₀.
In the second scenario, when the third HN-32 polarizer is added with its transmission axes rotated by 30°, the transmitted intensity (flux density) of the emerging beam can be calculated similarly:
I₃ = I₂ * cos²(30°)
Here, the angle θ between the axes and the polarization direction of the incident light is 30°. Thus, the transmitted intensity of the emerging beam is given by applying Malus's Law with this angle. To calculate the irradiance, we need to divide the transmitted intensity (flux density) by the area through which the light is passing. However, the problem does not provide information about the specific area involved, making it difficult to determine the exact value of the irradiance.

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One of three types of motion, molecular vibrations take place when atoms in molecules move periodically. Constant rotation and translation are components of molecular vibrations.

Rotational motion happens when the molecule spins like a top, whereas translational motion happens when the entire molecule moves in the same direction. Stretching and bending are the two basic types of molecular vibrations. Stretching alters the distance between atoms along the main axis, whereas bending modifies the angle between two molecules' bonds.

These constant frequencies of a system's normal modes are referred to as its natural or resonant frequencies. The normal modes and natural frequencies of a physical item, such as a structure, bridge, or molecule, depend.

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The total capacitance when three capacitors are connected in parallel is found by simply adding their individual capacitances together. Therefore, the total capacitance in this case is:

33 uF + 40 uF + 88 uF = 161 uF

The three capacitors act as a single capacitor with a capacitance of 161 uF when connected in parallel. This means that the equivalent circuit has a single capacitor with a capacitance of 161 uF in place of the three capacitors in parallel.

The total capacitance of a parallel combination of capacitors is always greater than the capacitance of any single capacitor in the combination.

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The fundamental frequency of the person's auditory canal can be calculated using the formula f = v/2L, where v is the speed of sound in air and L is the length of the canal. Plugging in the values, we get f = 343/(2*0.024) = 3575 Hz or 3.57 kHz. The wavelength can be calculated using the formula λ = 2L, which gives us λ = 2*0.024 = 0.048 m or 4.8 cm. This sound is audible as the range of human hearing is typically considered to be between 20 Hz and 20 kHz.

To find the frequency of the highest audible harmonic, we need to consider the resonant frequencies of the canal. The resonant frequencies of a pipe can be calculated using the formula fn = n(v/2L), where n is the mode number or harmonic. The highest audible harmonic is the one that corresponds to the highest resonant frequency that falls within the audible range.

Substituting the values, we get fn = n(343/0.048) = 7146n. The highest audible harmonic would be the one where 7146n is closest to 20,000 Hz, the upper limit of human hearing. Solving for n, we get n = 2.8, which means the third harmonic is the highest audible one. Therefore, the frequency of the highest audible harmonic is 3*3575 Hz or 10.7 kHz.

In conclusion, the person's auditory canal has a fundamental frequency of 3.57 kHz and a wavelength of 9.60 cm, making this sound audible. The highest audible harmonic is the third harmonic, with a frequency of 10.7 kHz.

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The angular acceleration of the object after it is released from rest can be calculated using the formula α = (g*(r1-r2))/r1r2, where g is the acceleration due to gravity. Neglecting any frictional effects, this formula takes into account the difference in radii between the object's initial and final positions.

When the object is released from rest, it begins to fall due to the force of gravity. As it falls, its potential energy is converted into kinetic energy, causing it to gain speed. Since the object is constrained to move along a circular path, this increase in speed corresponds to an increase in angular velocity. The angular acceleration is the rate at which the angular velocity is changing, and is given by the formula α = Δω/Δt.

In this problem, we can use the fact that the object is not sliding or slipping along the surface to assume that the net torque acting on it is zero. This means that the angular acceleration is solely determined by the radial forces acting on the object. The difference in radii between the object's initial and final positions gives rise to a net radial force, which is responsible for the object's angular acceleration. Using the formula α = (g*(r1-r2))/r1r2 takes into account this net radial force and yields the angular acceleration of the object.

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For a Morse potential, the vibrational force constant is not independent of the quantum number n or the displacement x-xe.

This is because the Morse potential is a more accurate description of the potential energy curve of diatomic molecules than the harmonic potential. The Morse potential takes into account the non-linear and anharmonic behavior of the molecule, which affects the force constant and the displacement of the molecule from its equilibrium position.

The vibrational energy levels in a Morse potential are also closer together than in a harmonic potential, meaning that the molecule is more likely to be in a higher vibrational state. This can lead to more complex and interesting spectroscopic behavior, such as overtones and combination bands.

Thus,  the behavior of a Morse potential is not the same as a harmonic potential when it comes to the vibrational force constant and the displacement of the molecule. The Morse potential provides a more accurate and realistic description of diatomic molecule vibrations, and its behavior is more complex and interesting than the harmonic potential.

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One of the main reasons is that the windows and metal surfaces of the car act as a barrier to the outside air, trapping heat inside. This is known as the greenhouse effect, where the sun's rays enter the car and heat up the interior, but the windows prevent the heat from escaping.

Another factor is that cars are often made of materials that absorb and retain heat, such as upholstery and dashboard materials. These materials can heat up quickly and retain that heat, making the inside of the car feel even warmer than the outside air.Additionally, the shape and size of the car can also play a role in how warm it feels inside. For example, a small car with a small interior space will heat up more quickly than a larger car with more space for air to circulate.

To test these ideas, you could use a simple simulation by placing a thermometer inside a car on a sunny day and recording the temperature over time. You could then compare this to the temperature outside the car at the same time to see if there is a significant difference. Additionally, you could repeat this test with different types of cars and in different locations to see how these factors affect the temperature inside the car.

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When two light waves pass through two slits and interact with each other, they create a pattern of interference on a screen. The path difference between the two waves determines the pattern that is produced. The path difference is the difference in distance that the two waves must travel from the slits to the screen.

If the two light waves have the same wavelength, then the path difference between them will determine the location of the bright spot on the screen. The bright spot will occur where the path difference is a whole number of wavelengths.

If the two light waves have different wavelengths, then the path difference will still determine the location of the bright spot on the screen, but the pattern may be more complex.

If the path difference is exactly half a wavelength, then destructive interference occurs, and a dark spot is produced on the screen. If the path difference is one and a half wavelengths, then constructive interference occurs, and a bright spot is produced on the screen.

In summary, the path difference between the two light waves determines the pattern of interference that is produced on the screen, and the wavelength of the light determines the complexity of the pattern.

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The given statement '' Electronic energies are negative while translational, rotational and vibrational energies are positive '' is true.

This statement is generally true because Electronic energies in atoms, molecules, and solids are usually negative. This is because they represent the energy required to remove an electron from its lowest energy state (ground state) to a higher energy state (excited state) which is further away from the positively charged nucleus. Since the electron and the nucleus have opposite charges, the electron is bound to the nucleus by an attractive force, and it takes energy to move it farther away from the nucleus. Therefore, the energy required to remove an electron is negative.

On the other hand, translational, rotational, and vibrational energies are usually positive. Translational energy refers to the kinetic energy of the motion of an object in space, and it is always positive because it depends on the square of the velocity. Similarly, rotational energy refers to the kinetic energy of the rotation of an object around an axis, and it is also positive because it depends on the square of the angular velocity. Vibrational energy refers to the kinetic energy associated with the vibration of atoms or molecules within a material, and it is positive because it depends on the square of the amplitude of the vibration.

Hence, Electronic energies are negative while translational, rotational and vibrational energies are positive.

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Based on the expected spectrum for a blackbody emitter, we can say that the light source creating this spectrum is most likely a true blackbody. The spectrum of a blackbody should have a smooth curve, with a peak in the intensity at a specific wavelength that depends only on the temperature of the blackbody.

This peak is known as the Wien's law. If the spectrum shown in the plot matches this description, then it is highly likely that the light source is a true blackbody. However, if there are irregularities or sharp features in the spectrum, it may indicate that the light source is not a true blackbody, or that there are other factors at play. In such a case, the light source creating this spectrum is most likely a blackbody emitter. A blackbody is an idealized object that absorbs all incoming light and perfectly re-emits it at all wavelengths. The emitted radiation follows a specific distribution called the Planck's radiation law.

The peak of the blackbody spectrum represents the wavelength at which the object emits the maximum intensity of radiation. This peak is related to the temperature of the object, as described by Wien's displacement law. If the spectrum follows the typical blackbody curve, we can deduce the temperature of the light source and confirm that it's a blackbody emitter. Otherwise, the source may not be a perfect blackbody, and further analysis would be needed to understand its characteristics.

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The  wavelength of light required to remove an electron from this metal is approximately 3.43 x 10^-7 meters, which corresponds to the violet end of the visible spectrum.

The work function of a metal is the minimum amount of energy required to remove an electron from the metal's surface. When light with sufficient energy shines on the metal, it can cause electrons to be emitted through a process called the photoelectric effect.

The energy of a photon of light is given by the equation:

E = hc/λ

Where E is the energy of the photon, h is Planck's constant (6.626 x 10^-34 J.s), c is the speed of light (2.998 x 10^8 m/s), and λ is the wavelength of the light.

For the metal with a work function of 5.75 x 10^-19 J, we can find the minimum energy required to remove an electron by:

Φ = hc/λ

where Φ is the work function, h is Planck's constant, c is the speed of light, and λ is the wavelength of the light.

Rearranging this equation to solve for λ, we get:

λ = hc/Φ

Substituting the given values, we get:

λ = (6.626 x 10^-34 J.s)(2.998 x 10^8 m/s)/(5.75 x 10^-19 J)

Solving for λ gives:

λ = 3.43 x 10^-7 m

Therefore, the wavelength of light required to remove an electron from this metal is approximately 3.43 x 10^-7 meters, which corresponds to the violet end of the visible spectrum.

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a) The force required to drive the 12 in disk at 48 km/h through standard air at sea level is P = 972.24 W.

(b) The force required to drive the 12 in disk at 48 km/h through water is  F = 31.24 N and power will be P = 416.32 W.

(a) The force required to drive the 12 in disk at 48 km/h through standard air at sea level can be calculated using the drag equation:

F = (1/2) × ρ × A × [tex]v^{2}[/tex] × [tex]C_d[/tex].

F = 0.5 × 1.225 [tex]kg/m^{3}[/tex] × π × [tex](0.3048 m)^{2}[/tex] × (48 ÷ 3.6 [tex]m/s)^{2}[/tex] × 1.12,

F = 73.16 N.

The power required can be calculated using the formula:

P = F × v.

P = 73.16 N × (48 ÷ 3.6 m/s),

P = 972.24 W.

(b) The force required to drive the 12 in disk at 48 km/h through water can also be calculated using the drag equation:

F = (1/2) × ρ × A × [tex]v^{2}[/tex] × [tex]C_d[/tex].

F = 0.5 × 1000 [tex]kg/m^{3}[/tex] × π × [tex](0.3048 m)^{2}[/tex] × (48 ÷ 3.6 [tex]m/s)^{2}[/tex] × 1.12,

F = 31.24 N.

The power required can be calculated using the formula:

P = F × v.

P = 31.24 N × (48 ÷ 3.6 m/s),

P = 416.32 W.

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Among the thousands of galaxies that make up the so-called Virgo Cluster, the M87 is the radio energy source with the highest known output.

It is also a powerful X-ray emitter, which implies that the galaxy contains extremely hot gas. The galactic core emits a bright gaseous jet in all directions. 

The Schwarzschild radius, or event horizon radius, of M87 was directly seen and measured by the EHT, allowing researchers to calculate the black hole's mass.

This validated the method as a method of mass estimation because the estimate was almost identical to the one obtained using a technique that employs the velocity of circling stars.

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Answer:

240 mah

Explanation:

To find the current of the circuit that uses a 50-ohm resistor and a 12-volt battery, we can use Ohm's law, which states that the current (I) in a circuit is equal to the voltage (V) divided by the resistance (R), or I = V/R.

In this case, the voltage is 12 volts and the resistance is 50 ohms, so we have:

I = V/R = 12/50 = 0.24 amperes (or 240 milliamperes)

Therefore, the current of the circuit is 0.24 amperes (or 240 milliamperes).

The current in this case is 0.18 mA, it is possible that you may not feel it and not be dangerous.

To calculate the current passing through your body when you touch the two terminals of a 9.0 V battery with a skin resistance of 50 kΩ,

we can use Ohm's Law:

I = V/R,

where:

I is the current,

V is the voltage, and

R is the resistance.

In this case, V = 9.0 V and R = 50 kΩ = 50,000 Ω.

Substituting the values into the formula, we get:

I = 9.0 V / 50,000 Ω,

I = 0.00018 A.

Therefore, the current passing through your body will be 0.00018 Amperes or 0.18 milliamperes (mA).

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If ten years later, you find that you only have 3 kg left, the half-life of the material is 7.6 years.

The half-life of a radioactive substance is the amount of time it takes for half of the original sample to decay.

In this problem, we know that the initial amount of the substance was 12 kg and the final amount was 3 kg. The amount that has decayed is

12 kg - 3 kg = 9 kg.

To find the half-life of the material, we can use the formula:

N = N₀ [tex](1/2)^{(t/T)[/tex]

where N is the final amount, N₀ is the initial amount, t is the time elapsed, and T is the half-life.

We can rearrange this formula to solve for T:

T = t / ln(2) * log(N₀/N)

Plugging in the values we know, we get:

T = 10 years / ln(2) * log(12 kg / 3 kg) = 7.6 years

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The missing particle in this decay process is an electron, also known as a beta particle. The complete decay process can be written as:

A → B + 10e

where A is the parent nucleus, B is the daughter nucleus, and 10e represents the emission of a beta particle.

The missing particle in this decay process is a helium nucleus, also known as an alpha particle. The complete decay process can be written as:

A → B + 24He

where A is the parent nucleus, B is the daughter nucleus, and 24He represents the emission of an alpha particle.

The missing particle in this decay process is an electron, also known as a beta particle. The complete decay process can be written as:

A → B + 10e + v

where A is the parent nucleus, B is the daughter nucleus, 10e represents the emission of a beta particle, and v represents the emission of an antineutrino. This is a type of beta decay known as beta-minus decay.

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The wood will sink lower in the water when the container is sealed and pressurized above atmospheric pressure.  

When the container is sealed and pressurized above atmospheric pressure, the pressure inside the container increases. According to Boyle's Law, the volume of a gas is inversely proportional to its pressure at a constant temperature. This means that as the pressure inside the container increases, the volume of the air trapped in the pores of the wood decreases.

This results in a decrease in the buoyant force acting on the wood, which causes the wood to sink lower in the water. Therefore, the correct answer is "it sinks lower in the water." This phenomenon is also observed in the diving and submarine industry, where pressure changes affect the buoyancy of submerged objects.

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Full Question: a piece of unpainted porous wood barely floats in an open container partly filled with water. the container is then sealed and pressurized above atmospheric pressure. what happens to the wood?

correct: your answer is correct. explain your answer.

The reaction involving CO2(g) can be represented as follows:

CO2(g) ⇌ CO(g) + 1/2 O2(g)

We are given that 4.50 mol of CO2(g) is placed in an 8.50 L container. Let's assume that x mol of CO2(g) reacts to form CO(g) and O2(g). Therefore, the initial concentration of CO2 is (4.50-x) mol/L and the initial concentrations of CO and O2 are both zero. At equilibrium, the concentrations of CO and O2 are both x mol/L. The equilibrium concentration of CO2 can be found using the ideal gas law:

(4.50 - x) mol/L = (n/V) = (P/RT) = [(1/2)(x mol/L)] / [(0.08206 L·atm/(mol·K))(T)]

where P is the partial pressure of the gases, R is the gas constant, and T is the temperature in Kelvin. Rearranging this equation gives:

x = 0.987 mol/L

Therefore, the equilibrium concentrations of CO, O2, and CO2 are 0.987 mol/L, 0.987 mol/L, and 3.51 mol/L, respectively.

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The stretch of the spring with the 1.8kg mass is 8.68cm. the stretch of a spring is directly proportional to the weight applied to it. Using the formula F = kx, where F is the force applied to the spring, k is the spring constant, and x is the stretch of the spring, we can solve for k.

k = F/x = (mg)/x, where m is the mass of the object, g is the acceleration due to gravity (9.8 m/s^2), and x is the stretch of the spring.

Once we find k, we can use it to find the stretch of the spring for the 1.8 kg mass.

k = (mg)/x = (1.3 kg)(9.8 m/s^2)/(0.062 m) = 202.9 N/m

x = (mg)/k = (1.8 kg)(9.8 m/s^2)/(202.9 N/m) = 0.0868 m = 8.68 cm.

Therefore, the stretch of the spring with the 1.8 kg mass is 8.68 cm.

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1. Pluto's escape velocity can be calculated using the formula Ve = √(2GM/r), where G is the gravitational constant, M is the mass of Pluto, and r is the radius of Pluto. Plugging in the given values, we get Ve = √(2 x 6.674 x 10^-11 x 1.3 x 10^22 / 1.2 x 10^6) = 1.23 km/s.

2. The thermal velocity of a nitrogen molecule can be calculated using the formula Vth = √(3kT/m), where k is the Boltzmann constant, T is the temperature in Kelvin, and m is the mass of the molecule. Plugging in the given values, we get Vth = √(3 x 1.4 x 10^-23 x 50 / 4.7 x 10^-26) = 533.6 m/s.

3. Based on the calculated thermal velocity, it is unlikely that Pluto has a nitrogen-rich atmosphere like Earth's, as the escape velocity is much higher than the thermal velocity. This means that the nitrogen molecules are not likely to be trapped by Pluto's gravity and form an atmosphere. However, other factors such as the composition and history of Pluto's atmosphere could also play a role in determining its composition.

The amplitude of motion is the maximum displacement from the equilibrium position, which in this case is 1 foot (since the mass is initially released from a point 1 foot above the equilibrium position). The period of motion can be found using the formula T = 2π√(m/k), where m is the mass and k is the spring constant.

Using the given weight and stretch distance, we can calculate k = 32/(2*12) = 1.333 lb/ft. Thus, T = 2π√(32/1.333) = 6.44 s. The number of complete cycles can be found by dividing 4π by the period: 4π/6.44 = 1.95 cycles (rounded to two decimal places). Therefore, the mass will complete almost 2 complete cycles at the end of 4π seconds.
To determine the amplitude and period of motion for a mass weighing 32 pounds, which stretches a spring 2 feet, we first find the spring constant, k.

Using Hooke's Law (F = kx), k = 32/2 = 16 lb/ft. The mass (m) is 32 lb/g, where g is the acceleration due to gravity (32 ft/s²), so m = 1 slug. The angular frequency (ω) is √(k/m) = √(16) = 4 rad/s. The period (T) is 2π/ω = π/2 seconds. The amplitude (A) is 1 foot, as given. After 4π seconds, there are 4 complete cycles (4π / π/2 = 4).

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(a) The number of X-ray photons absorbed by the cell can be found by dividing the absorbed energy by the energy of each photon: Number of photons = (4.2×10^−14 J) / (100 eV) = 4.2×10^−17 photons

Each photon can produce one positively charged ion. Therefore, the number of positive ions produced in the cell is also 4.2×10^−17.

(b) To find the number of ions produced in the nucleus, we need to first find the energy absorbed by the nucleus. We know that the X-ray energy is fully absorbed by the cell, so we can assume that the energy absorbed by the nucleus is proportional to the ratio of the nucleus's volume to the cell's volume:

Energy absorbed by nucleus = (4/3)π(3.0×10^−6 m)^3 / (4/3)π(1.0×10^−5 m)^3 × 4.2×10^−14 J

= 3.6×10^−21 J

Now, we can find the number of ions produced in the nucleus:

Number of ions = (3.6×10^−21 J) / (100 eV) = 3.6×10^−24 ions

Therefore, the number of ions produced in the nucleus is much smaller than the number of ions produced in the cell.

Learn more about positively charged ions here:-brainly.com/question/12065456

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