A thin strip of rubber has an unstretched length of14.9 PartAIf it is stretched around a pipe having an outer diameter of 5.0 in., determine the average normal strain in the stripExpress your answer using three significant figures.

This equation can be used to calculate the density in g/cm^3 for any given pressure in N/m^2.

Density is a measure of mass per unit of volume, usually expressed in kilograms per cubic meter. It is an important physical property of matter and is used to compare the relative densities of different substances. Density is also used to calculate the buoyancy of objects in a fluid. The density of a substance is affected by temperature and pressure. In general, substances with higher densities tend to be more compact and therefore more dense.

A. The units of 70.5 and 8.7 times 10^7 are lbm/ft^3 and lbf/in^2 respectively.

B. To calculate the density in g/cm^3, we must convert the pressure from N/m^2 to lbf/in^2 by multiplying it by 0.2250. Thus, we have 9.0 times 10^6 N/m^2 * 0.2250 = 2.025 times 10^7 lbf/in^2. Plugging this into the equation, we have rho = 70.5exp(8.7 times 10^-7 * 2.025 times 10^7) = 1176.6 g/cm^3.

To derive a formula for p (g/cm) as a function of P (N/m^2), we can simply rearrange the equation to solve for p. Thus, we have p = 70.5exp(8.7 times 10^-7 * P) / 0.002205. This equation can be used to calculate the density in g/cm^3 for any given pressure in N/m^2.

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a) The acceleration is 16.3 m/s^2

b) The acceleration is 1.66 g

c) The force that acts is 666.4 N

d) The force in pounds is 149.8 pounds

We have to note that when we talk about the acceleration, we mean the change in the velocity of the object with respect to the time that is taken. In the case of the problem that we have here, we are told that  the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m/s (128 mph) in just 3.5 s.

Note that;

v = u + at

v = final velocity]

u = initial velocity

t = time taken

a = acceleration

Then;

a = v - u/t

a = 57 - 0/3.5

a = 16.3 m/s^2

The acceleration in g's is  16.3 m/s^2/9.8 m/s^2 = 1.66 g

The force that acts on the passenger is; 68 Kg * 9.8 m/s^2 = 666.4 N

The weight in pounds of the passenger is 149.8 Pounds

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When solving conservation of motion problems in two dimensions, it is important to break the velocity of each object into x and y component.

Velocity is a vector representation of an object's or particle's displacement with respect to time. The meter per second (m/s) is the standard unit of velocity magnitude (also known as speed). Alternatively, velocity magnitude can be expressed in centimeters per second (cm/s). The direction of movement of the body or item is defined by velocity. Speed is fundamentally a scalar number. Velocity is, in essence, a vector quantity. It is the pace at which distance changes. It is the displacement rate of change. Simply put, velocity is the rate at which something travels in a certain direction. For example, the speed of a car driving north on a highway or the speed of a rocket after launch.

Here,

When addressing conservation of motion issues in two dimensions, it is necessary to divide each object's velocity into x and y components.

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The velocity of the smaller mass just after the collision is B) +0.7 m/s.

To calculate the velocity of the smaller mass after the collision:

Use the law of conservation of momentum, which states that the total momentum before the collision is equal to the total momentum after the collision: (m1 * v1) + (m2 * v2) = (m1 * v1') + (m2 * v2')

Substitute in the known values: (4.0 kg * 0 m/s) + (8.0 kg * 0 m/s) = (4.0 kg * v4) + (8.0 kg * (vg + 3.5 m/s))

Solve for the velocity of the smaller mass (v4): v4 = (8.0 kg * (vg + 3.5 m/s)) / 4.0 kg

Substitute in the value for the velocity of the larger mass (vg) which is not given in the question: v4 = (8.0 kg * (0 m/s + 3.5 m/s)) / 4.0 kg

Solve for the velocity of the smaller mass (v4): v4 = (8.0 kg * 3.5 m/s) / 4.0 kg

Simplify the calculation: v4 = 2.8 m/s / 4.0 kg

Divide the final value by the mass of the smaller object: v4 = 0.7 m/s

So the velocity of the smaller mass just after the collision is 0.7 m/s.

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The acceleration - time graph represents velocity of an object.

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Convection When a fluid, such as air or water, is heated and starts to circulate, heat transfer through convection takes place.

A cooler area is left behind when the hot fluid rises, carrying the heat energy it contains with it. As a result, energy is transferred from one place to another through a cycle of air or water currents. Convection is characterised by the vertical air current produced by temperature-induced density differences, such as hot air rising. Thermal convection is a crucial component of the climate system on Earth and is a type of convection. Convections always need a medium for the transfer of energy.

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The solution for  the increase in length of a 40 cm brass rod that is heated from 30 ° C to 50 ° C ( linear expansion of Brass is 1.9 x 10³8¹¹ ) is

0.051 cm. In this case Option B is correct.

Linear Expansion Theory: What Is It?

The linear expansion theory, which is used in this question, states that when an object is heated or cooled, its expansion or contraction will be proportional to its original length and the temperature change.

First, determine Brass' linear expansion (1.9 x 108 11).

Step 2: Determine how long the 40 cm brass rod will grow. Increase in length equals (Brass linear expansion) times (Temperature change) times (Rod length).

(1.9 x 108 11) x (20°C) x (40 cm) length increase

Step 3: Determine the lengthening.

lengthening equals 0.051 cm

Response: 0.051 cm

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The area of contact between the block and the surface is 50 m².

A body's mass is an inherent quality. Before the discovery of the atom and particle, it was widely considered to be tied to the amount of matter in a physical body.

The measure of matter in a particles or object is represented by the dimensionless quantity mass (symbolised m). The kilogramme is the International System's (SI) preferred unit of mass (kg).

Pressure is defined as force applied on a body per unit area. Pressure is the force perpendicularly applied to an object's surface per unit area over which that force is distributed. Gauge pressure is the pressure in relation to the outside pressure. There are many different units used to express pressure.

Given,

mass(m) = 50kg

pressure (p) = 10N/m²

Taking,

g= 10 m/s²

p= mg/A⇒ 10= 50 × 10/A∴

A= 500/10 = 50 m²

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The average force is then F = ma is 5,000 kg m/s2 = 5,000 N.

Average force is the mean force of a set of forces. It is used to measure the average magnitude of a force over a period of time or over multiple forces. It is calculated by dividing the sum of all forces by the number of forces.

The average force exerted on the bullet is calculated using Newton's second law, F = ma. The acceleration of the bullet can be calculated by dividing the change in velocity (500.0 m/s) by the time interval (2.00 ms).
a = Δv/Δt
a = 500.0 m/s / 2.00 ms = 250,000 m/s2
The average force is then F = ma = (0.020 kg)(250,000 m/s2) = 5,000 kg m/s2 = 5,000 N.

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Answer:

Hi ??? what is your question

Answer: Stopwatch

Explanation: A stopwatch would be the best technology tool available to help provide feedback to the runner so that she doesn't "burn out" too fast at the beginning of a gruelling competition. A stopwatch can help the runner measure her pace and ensure that she runs at a steady, consistent pace throughout the race. Additionally, a stopwatch can be used to track the runner's split times and provide her with detailed feedback on her performance.

Since the electric field is uniform, the proton and the electron will experience the same acceleration.

An electric field is a physical field generated by electric charges, such as the electrons in a conductor. It is an invisible force that can attract or repel other charged objects in its vicinity.

This means that their velocities will increase at the same rate. Therefore, when they pass each other, their distances from the positive plate will be the same.

The distance from the positive plate to the proton and electron when they pass each other is 5.0 cm. This is the same distance as the distance between the two plates.

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The dielectric constant is 2.11

Capacitance is the ability of a component or circuit to assemble and store energy in the form of an electrical charge. It consists of two electrical wires that are a specific distance apart from one another. The void between the conductors can be filled with vacuum or a dielectric, an insulating material. The capacity of a capacitor to hold charges is referred to as its capacitance.

Dielectric materials serve as insulation or have very poor electrical conductivity. Dielectrics, unlike metals, practically do not conduct current when exposed to an electric field because they lack loosely bound, or free, electrons that could wander through the substance. Instead, there is electrical polarisation.

The capacitance of the empty capacitor ,C1 = 12µF = 12*10^-6F

Battery voltage= 12 V

charge, Q2= 2.5 x 10-5 C

Initial charge ,Q1  = C1V1

                            = 12* 12*10^-6

                            = 224 *10^-6C

Qk  = Q1 + Q2

Qk = (2.24 + 2.5)*10^-5 = 4.74*10^-5

Ck = KC1

Only the charges differ; the voltage (V) across both capacitors stays constant.

Qk/V =  K Q1/V

K = Qk/Q1

K = 4.74 *10^-5/2.24*10^-5

K = 2.11

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The acceleration of the car will be halved. Option A is the correct answer.

This refers to the rate of change of velocity. It is the speed that is changing but not at all times. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.

Solving for the acceleration:

The acceleration of the car will be halved. This is because the acceleration of an object is directly proportional to the net force applied to it and inversely proportional to its mass. Therefore, if the mass of the cart is doubled and the net force remains the same, the acceleration will be halved:

(a = Fnet/m).

The equation is :

F=ma

If we keep force constant and mass doubles, acceleration will be halved.

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The particles in a medium vibrate perpendicular to the wave's path when it passes through it, indicating that the wave is just a transverse mechanical wave.

The only type of wave that can pass through a medium is a longitudinal mechanical wave, which causes the particles within the medium to vibrate in a direction parallel to the wave's path.

The speed at which a wave moves across a medium depends on an inertial characteristic of that medium. This is true for both transverse and longitudinal mechanical waves.

A transverse wave is a form of wave in which the wave's velocity is always perpendicular to the particle positions in the medium. To see an example, move one end of a Slinky (whose other end is fixed) to the left and right of the Slinky as opposed to back and forth. Waves on the water's surface, for instance.

In physics, a mechanical wave is a wave that incorporates matter oscillation and transmits energy across a medium. Despite the fact that waves can travel long distances, the transmission medium, or the substance, has a limited range. Example - Sound waves  

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The rules of energy conservation and angular momentum conservation ensure that any rotating, collapsing cloud will finish up as a spinning disk.

Momentum is defined in Newtonian physics as the product of an object's mass and velocity. It is a vector quantity with magnitude and direction. Momentum is a measure of mass in motion: how much mass is involved in how much movement. It is commonly denoted by the sign p. Momentum is clearly defined as the measure of an object's kinetic energy. In layman's terms, momentum is the product of mass and velocity. Complete response: Simply said, momentum is concerned with the quantity of motion. It can also be referred to as the preserved quantity.

Here,

The laws of energy and angular momentum conservation guarantee that any rotating, collapsing cloud will end up as a spinning disk.

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The resulting ball of clay after the collision is moving with a speed of 2.53 m/s in a direction between east and north.

To determine the speed and direction of the resulting 53 g ball of clay after the collision, we need to use the conservation of momentum principle.  

Let us call the initial momentum of the first clay ball (21 g) "p1", and the initial momentum of the second clay ball (32 g) "p2". The final momentum of the resulting clay ball (53 g) will be "p3".

The initial momentum of the first clay ball can be calculated as p1 = m1 * v1 = 21 g * 3.2 m/s = 67.2 gm/s (going east)

The initial momentum of the second clay ball can be calculated as

p2 = m2 * v2 = 32 g * 2.1 m/s = 67.2 gm/s (going north)

So, the total initial momentum is p1 + p2 = 67.2 gm/s + 67.2 gm/s = 134.4 g*m/s

After the collision, the total momentum of the resulting clay ball is 134.4 gm/s, and its mass is 53 g. So, we can use the following equation to find its final velocity: p3 = m3 * v3 = 134.4 gm/s = 53 g * v3

So, the final velocity of the resulting clay ball is v3 = 134.4 g*m/s / 53 g = 2.53 m/s.

To find the direction of the resulting clay ball, we can use the vector addition of the initial velocities of both clay balls. The direction of the final velocity vector would be the angle formed between the sum of the vectors and the x-axis.

So, the final velocity vector of resulting clay ball is a vector sum of the initial velocities of both clay balls, and its direction would be somewhere between the east and north direction.

Therefore, the resulting ball of clay after the collision is moving with a speed of 2.53 m/s in a direction between east and north.

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The electrons should be released from plate A because  electric field lines goes from plate A to plate B.

The negative or reducing electrode that releases electrons to the external circuit and oxidizes during an electrochemical reaction is known as the anode.

The Cathode is the positive or oxidizing electrode, which receives electrons from the external circuit and reduces them during the electrochemical reaction.

As the direction of the electric field in their interior region points from plate A to plate B,  electric field lines goes from plate A to plate B and the electron  should be released from plate A.

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The stellar objects the sun a g star is with T= 5500k

Distance between the equivalent positions of two successive waves is known as the wavelength. Two points or particles that are in the same phase and have completed identical percentages of their periodic motion are referred to as "corresponding points." Wavelength is typically measured from crest to crest or from trough to trough in transverse waves (waves with points vibrating at right angles to the direction of their advance); from compression to compression or from rarefaction to rarefaction in longitudinal waves (waves with points vibrating in the same direction as their advance). The Greek symbol lambda (λ) is typically used to represent a wave's length. Wavelength is defined as the product of a wave train's frequency (f) and speed (v) in a medium.

The wavelength of the temperature inversely related to each other. Higher the temperature, lower will be its wavelength.

1. Highest (reddest)        a brown dwarf with T=100k

___________________________________________

2.                                      a K star with T=4400k

___________________________________________

3.                                      the sun, a G star with T=5500k

___________________________________________

4.(lowest/bluest)              an F star with T=7000k

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0.917 fraction of ice which is submerged in water only depends on the density of the ice and the water.

The density of a material is its mass per unit volume. The most common sign for density is, however the Latin letter D can also be used. The density of a substance is the measure of how densely it is packed together. It is expressed as mass per unit volume. Symbol for density: D or Formula for Density: = m/V, where is the density, m is the object's mass, and V is the object's volume. The density of something describes how compact or dense it is. Let's say you have two boxes, one huge and one tiny. They both, however, weigh the same. That means the small box has a higher density than the large box. Density also tells how concentrated or crowded something is.

Here,

The density of the ice and the water have no effect on the 0.917 proportion of ice that is submerged in water.

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The size of the force when it is at 20,000 miles distances from Earth's center is  66 lb.

The size of the force when it is at 30,000 miles  distances from Earth's center is  29.33 lb.

The size of the force when it is at 100,000 miles  distances from Earth's center is 2.64 lb.

The force of attraction between any two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them, according to Newton's universal law of gravitation.

(a) the size of the force when it is at 20,000 miles  distances from Earth's center = (264)/(2²) lb = 66 lb.

(b)  the size of the force when it is at 20,000 miles  distances from Earth's center = (264)/(3²) lb = 29.33 lb.

(c)  the size of the force when it is at 100,000 miles  distances from Earth's center = (264)/(10²) lb = 2.64 lb.

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Answer:

Newton (N)

Explanation:

To determine the magnitude of the applied force, normal force, and friction force, we can use the equations of motion.

The applied force (Fa) is the force that Marsha exerts on the box. It can be determined by the equation:

Fa = ma

where m is the mass of the box (12 kg) and a is the acceleration of the box (which is zero, since the box is moving at a constant velocity).

The normal force (FN) is the force exerted on the box by the surface it is sliding on, perpendicular to the surface. It can be determined by the equation:

FN = mg

where g is the acceleration due to gravity (9.8 m/s^2).

The friction force (Ff) is the force exerted on the box by the surface it is sliding on, parallel to the surface. It can be determined by the equation:

Ff = μFN

where μ is the coefficient of kinetic friction between the box and the surface (0.70).

So,

Fa = 12 * 0 = 0 N (since acceleration is zero)

FN = 12 * 9.8 = 117.6 N (perpendicular to the surface)

Ff = 0.7 * 117.6 = 82.32 N (parallel to the surface)

So the magnitude of applied force is 0 N, normal force is 117.6 N, and friction force is 82.32 N

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the input force by the output force 2. by adjusting the force's necessary application direction 3. 3N4. W=△E5.

Direction can refer to the way something moves, the way you must go to get somewhere, the way something is beginning to take shape, or the direction you are facing. When you turn right rather than left, that is an illustration of direction.

Your direction perception refers to your capacity to generally understand where you are or which course to go, even if you're in a strange environment. He quickly got lost due to his weak sense of direction. If you claim someone

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The graph provided is a displacement-time graph. The object's displacement is shown on the x-axis, while its travel time is shown on the y-axis.  

The largest displacement that an object may make is known as its amplitude. The maximum displacement made by the object is 2 cm.

As a result, the object has an amplitude of 2 cm according to the definition of amplitude.

The amplitude of the object depends on the displacement made by the object. The maximum displacement is made when the object moves to an extreme position in an oscillation.

An object moves from a mean position to an extreme position in a straightforward harmonic motion. One oscillation or cycle is said to be complete when the object travels from the mean position to the extreme position and returns to the mean position.

The displacements are shown on the graph as positive when it moves to the extreme position and negative when it moves back from the extreme position.

According to the presented graph, it takes 4 seconds to complete one oscillation or cycle.

As a result, the time period is 4 seconds according to the definition of time  period. Therefore, the time period as ω = 2π/T.

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Assuming that each cubic centimeter of water has mass of exactly 1 g , then mass of 1.87 cubic meter of water is 1.87 kg.

We define mass as measure of the amount of matter in a body. And SI unit of mass is Kilogram (kg) and the mass of a body does not change at any time.

As we know, mass = volume x density

where volume is given in cubic meter and density is given in g/cm^3

As water has a density of 1 g/cm^3 at 4 degree Celsius, this means that 1 cm^3 of water has a mass of 1 g.

So, mass = 1.87 m^3 x 1 g/cm^3 = 1.87 kg

Therefore, the mass of 1.87 cubic meter of water is 1.87 kg.

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As the gap between the slits, d, is widened, the fringe spacing changes, becoming more pronounced.

Distance is an object's overall motion in a directionless fashion. Depending of the starting or terminating point, distance can be referred to as the amount of territory an element has travelled.

We can find out an object's actual size by knowing how far away it is. The area an object occupies in space above us can be measured. Once we know how far away it is, we can calculate its true size. An thing appears smaller the further away it is.

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(a) The ball goes up to the height of 31.89 m. (b) The ball stays for 5.1 s in the air. (c) The acceleration due to gravity and wind resistance can affect the estimation.

Acceleration owing to gravity is the term used to describe the rate at which a body's velocity changes as a result of the earth's gravitational pull. In general, it is assumed that the acceleration caused by gravity is in the downward direction.

The acceleration caused by gravity has been calculated as, however as it changes from location to location, it may have an impact on the estimation.

You may have thought that the wind has no impact, but it can actually generate drag and even cause the ball to shift course.

Therefore, (a) The ball goes up to the height of 31.89 m. (b) The ball stays for 5.1 s in the air. (c) The acceleration due to gravity and wind resistance can affect the estimation.

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The velocity of the log relative to the river is 3.04 km/182 min = 0.017 km/min.

Velocity is a vector quantity that describes the rate and direction of the movement of an object or particle. It is composed of two components: speed and direction.

The speed of the river is constant and is denoted by v. Therefore, the velocity of the motorboat is v + u, where u is the speed of the motorboat relative to the river.
When the person travels 1.52 km upstream, the total distance covered by the motorboat is 1.52 km x (v + u). This is also the distance covered by the log during the same period of time.
The time taken by the person to travel upstream is 91 min. Therefore, the total time taken by the motorboat to cover the round trip (upstream + downstream) is 182 min.
The total distance covered by the motorboat during the round trip is 3.04 km x (v + u). Since the same log is seen again, the distance covered by the log during the round trip is also 3.04 km.
Therefore, the velocity of the log relative to the river is 3.04 km/182 min = 0.017 km/min.

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The average normal stress in the column as a function of the distance z from its base is (237.68 - 21.43z) kPa or (237,684.54 - 21,431.12z) Pa.

The full question is in the attachment. There is a weight force that works in the concrete column. The formula w = mg

The mass of the column is unknown but the density is known. The formula for density ρ = m ÷ V

m = ρV

The weight force

w = mg = ρVg = ρg × πr²h

w = 2,300 × 9.8 × 3.14 × 0.18² × (4 - z)

w = 2,293.13 (4 - z)

w = (9,172.52 - 2,293.13z) N

The column is in equilibrium then Newton's first law applies

∑F = 0

N - F₁ - w = 0

N = F₁ + w

N = 15,000 + (9,172.52 - 2,293.13z)

N = (24,172.52 - 2,293.13z) Newton

The average normal stress can be calculated by the formula

σ = F/A

σ = N ÷ A

σ = (24,172.52 - 2,293.13z) ÷ 0.1017

σ = (237,684.54 - 21,431.12z) Pascal
σ =  (237.68 - 21.43z) kPa

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