Explain which movement Jamal should make (which car and which point), and why that movement will result in the largest increase in potential energy. Describe the magnetic force that will act on the vehicle he moves.

The duration of the flight is 3 hours if its speed is reduced by 400 km/h, and the time of flight increased by 60 minutes.

The length of the trip, d = 1200 km

Reduced average speed of the aircraft, v = 400 km/h

Increased time of flight, = 60 minutes = 1 hour

Let the initial time of the flight = t hours

Total time during reduced speed, = (t+1) hours

So, total distance, 1200 km = 400 × (t+1)

t+1 = 1200/400 = 3 hours

So total time of flight is 3 hours.

Initial time of flight, t = 3 - 1 = 2 hours

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Formula for momentum:

[tex]p=mv[/tex]

momentum(measured in kg*m/s) = mass(measured in kg) * velocity(measured in m/s)

__________________________________________________________

Given:

[tex]m=1650kg[/tex]

[tex]v=42m/s[/tex]

[tex]p=?[/tex]

__________________________________________________________

Finding momentum:

[tex]p=mv[/tex]

[tex]p=1650\times42[/tex]

__________________________________________________________

Answer:

[tex]\fbox{p = 69,300 kg*m/s}[/tex]

The total electric flux due to these two point charges through a spherical surface centred at the origin and with radius 0.500 m, 1.50 m and 2.50 m are respectively Ф₁ = 0, Ф₂ = -519.8 N m²/ C, Ф₃ = -67.8 N m²/ C.

Charge q₁ = 4 nC = 4 × 10⁻⁹ C

Charge q₂ = -4.6 nC = -4.6 × 10⁻⁹ C

The radius of various spheres is R₁ = 0.5 m, R₂ = 1.5 m, R₃ = 2.5 m

∈₀ is the electric permittivity of free space

It is observed that the sphere of radius R₁ does not contain any charges. Therefore, the flux through that sphere is zero.

Ф₁ = 0

The sphere of radius R₂ contains only charge q₂. So, the flux through that sphere is given as, Ф₂ = q₂/∈₀ = (-4.6 × 10⁻⁹)/(8.85 × 10⁻¹²) = -519.8 N m²/ C

The sphere of radius R₃ contains both charges q₁, q₂. So, the flux through that sphere is

Ф₃ = (q₁ + q₂)/∈₀ = (-4.6 × 10⁻⁹ + 4 × 10⁻⁹)/(8.85 × 10⁻¹²) = (-0.6 × 10⁻⁹)/(8.85 × 10⁻¹²) = -67.8 N m²/ C

The given question is incomplete. The complete question is 'A point charge  q₁ = 4 nC is located on the x-axis at x = 2 m and a second point charge q₂ = -4.6 nC is on the y-axis at y = 1. What is the total electric flux due to these two point charges through a spherical surface centred at the origin and with radius (a) 0.500 m, (b) 1.50 m, (c) 2.50 m?'

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The electrons are transferred from one item to another during the conduction process.The electrons are particles with a free charge.There is no free movement of protons.

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The speed and direction of the combined vehicles just after impact is 7.2 m/s west.

The final speed of the cars after the collision is obtained by applying the principle of conservation of linear momentum.

m₁u₁   +   m₂u₂ = v ( m₁ + m₂ )

where;

(1600 x 15.28) - ( 3300 x 18.1) = v ( 1600 + 3300)

-35,282 = 4,900v

v = -35,282  / 4,900

v = -7.2 m/s

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The work that has been done in driving the car is 5.37 * 107J.

We know that the force that moves the car in the forward direction is the force that is provided by the engine of the car and as such we have to look at the work that is done as the product of the force and the distance that is covered here.

We know that;

Work done = force * distance

Work done =  10,500N * 5,110m

Work done =  5.37 * 107J

A total work that has a magnitude of 5.37 * 107J has been done by the car.

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B is the answer ur welcome

The order of the periods of oscillation from largest to smallest is:

T1 > T3 > T2 > T4

The period of oscillation for a mass-spring system is given by the formula:

T = 2π √(m/k)

Where T is the period, m is the mass of the oscillating object and k is the spring constant.

Using this formula, we can find the periods of oscillation for the four mass-spring systems:

So the order of the periods of oscillation from largest to smallest is:

T1 > T3 > T2 > T4

Where T1 is the period of the mass-spring system with m = 2 kg and k = 2 N/m, T3 is the period of the mass-spring system with m = 4 kg and k = 2 N/m, T2 is the period of the mass-spring system with m = 2 kg and k = 4 N/m, and T4 is the period of the mass-spring system with m = 1 kg and k = 4 N/m.

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The Doubling the mass does not affect the period of oscillation.

Oscillation is a repetitive motion that occurs when a force causes an object to move back and forth between two positions. This motion is often seen in physical systems such as pendulums, springs, and electrical circuits.

The period of a block attached to a spring with unknown spring constant is determined by the mass of the block and the spring constant. Doubling the mass of the block will not change the period, so the period will remain 2.7 s. This is because doubling the mass of the block will double both its inertia and its gravitational pull, but these two forces are balanced by the spring force, which remains unchanged. Therefore, doubling the mass does not affect the period of oscillation.

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The ball's weight will be precisely balanced by the electric field is E = 12.25 x 10³ N/C = 12.25 KN/C

The electrostatic force caused by the electric field must be equal to the weight of the body or charge in order to balance the object's weight. Therefore,

Weight = Electrostatic Force

E q = mg

where,

Electric field = (E) =?

5 x 103 kg is the mass of the charge, or m.

g = 9.8 m/s2 is the acceleration caused by gravity.

Q equals the charge's magnitude, which is 4 C (4 x 106 C).

Therefore,

E(4 x 10⁻⁶ C) = (5 x 10⁻³ kg)(9.8 m/s²)

E = 0.049 N/4 x 10⁻⁶ C

E = 12.25 x 10³ N/C = 12.25 KN/C

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Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2).

The resistive force of friction (Fr) divided by the normal or perpendicular force (N) pushing the objects together yields the coefficient of friction (fr), which is a numerical value. The formula fr = Fr/N serves as a representation of it.

The force of gravity acting on an object is known as its weight, and it can be determined using the formula w = mg, which equals the mass times the acceleration of gravity. The newton is the SI unit for weight since it is a force.

The formula F = m a, where F the is the force acting on the object, m is the object's mass, and an is the acceleration, can be used to express Newton's second equation of motion. This formula's subject, m, must be changed in order to get the object's mass.

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The plant can convert fuel energy into power with an efficiency of about 30% for 241 days .

As per the data given in the above question are as bellow,

We need to know how much fuel is in the plant in order

To calculate how many days a 3 GW power plant can run on fuel containing U-235 and U-238.

Assume the facility contains 1 metric tonne of U-235 and U-238-containing fuel.

The total energy released from the fission if all of the U-235 and U-238 split would be

200 MeV/fission * 2.51021 fissions/metric tonne = 51023 MeV.

The total energy transferred to electricity would be

51023 MeV * 0.3 = 1.51023 MeV = 1.51016 J

if we assume a 30% efficiency.

It would require 1.51016 J / 3109 J/s or 5106 s or 5,800 hours or 241 days to generate 3 GW at the power plant.

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1) They would collide with the walls more frequently.

2) They would collide with the walked more frequently.

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The length of the fiber is 75.7 km.

Length is a measurement of distance or size. It is commonly used to describe the linear extent of an object, such as the size of a room, the length of a river, or the size of a person. It can also be used to describe the duration of an event, such as the length of a movie or the length of a football game. Length is typically measured in units such as meters, feet, or inches.

The power at the receiver can be calculated using the formula:

P_r = P_i * 10^(-α*L/10)

where P_r is the power at the receiver, P_i is the input power, α is the attenuation per unit length and L is the length of the fiber.

Rearranging the formula, we obtain:

L = 10*log(P_i/P_r)/α

Substituting the values, we get:

L = 10*log(15/2.4)/0.30 = 75.7 km

Therefore, the length of the fiber is 75.7 km.

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t=Δpx/FA

Δt=Mvf/FA

F = ma, Newton's second rule of motion, may be used to calculate when a force is applied to an object of mass m.

The time may also be calculated using the equation of motion, vf = vi + at, where an is the acceleration and t is the time.

There are two mathematical procedures that may be used to figure out when a force is applied to an object with mass m: Newton's Second Law of Motion states that F = ma, where ma is the object's mass and an is its acceleration, and F is the applied force.

The acceleration may be found by rearranging the equation, which can then be used to calculate how long it will take the item to reach its final speed vf.

Kinematic Equation for Constant Acceleration: where vi is the starting velocity, t is the time, and an is the acceleration, vf = vi + at The time t may be calculated from the final velocity vf and the acceleration a by replacing the initial velocity with 0 (because the object is initially at rest).

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The complete question is:

A constant force FA is applied to an object of mass M, initially at rest. The object moves in the horizontal x-direction, and the force is applied in the same direction. After the force has been applied, the object has a speed of vf. Which mathematical routines can be used to determine the time in which the force is applied to the object of mass M? Select two answers.

(a) The gravitational force between the two large masses is 1.37 x 10⁻⁵ N.

(b) The distance from 290 kg mass in which 23.9 kg mass experiences a zero net force is 0.24 m.

The gravitational force between the two large masses is calculated as follows;

F = (Gm₁m₂ ) / R²

where;

F = ( 6.672 x 10⁻¹¹ x 111 x 290 ) / ( 0.396² )

F = 1.37 x 10⁻⁵ N

The distance from 290 kg mass in which 23.9 kg mass experiences a zero net force is calculated as;

Let the distance between 290 kg and 23.9 kg = d

F1 = ( 6.672 x 10⁻¹¹ x 23.9 x 290 ) / ( d² )

F1 = ( 4.62 x 10⁻⁷ ) / d²

F2 = ( 6.672 x 10⁻¹¹ x 23.9 x 111 ) / ( 0.396 - d )²

F2 = ( 1.77 x 10⁻⁷ ) /  ( 0.396 - d )²

( 4.62 x 10⁻⁷ ) / d² = ( 1.77 x 10⁻⁷ ) /  ( 0.396 - d )²

( 4.62 x 10⁻⁷ )(0.396 - d )² =  ( 1.77 x 10⁻⁷ )d²

2.6(0.396 - d )²  = d²

(0.396 - d )²   = d²/2.6

0.396 - d = √ (d²/2.6)

0.396 - d = 0.62d

0.396 = 1.62d

d = 0.396 / 1.62

d = 0.24 m

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Answer:

A genetic predisposition results from specific genetic variations that are often inherited from a parent. These genetic changes contribute to the development of a disease but do not directly cause it. Some people with a predisposing genetic variation will never get the disease while others will, even within the same family.

Explanation:

Hope this helps!

If the contacts on a manual starter cannot be closed immediately after a motor overload has tripped them open, the probable reason is that the thermal overload device (a type of overload relay) has not had enough time to cool down.

The thermal overload device is designed to protect the motor from damage by sensing the temperature of the motor windings and tripping the starter if the temperature becomes too high.

The contacts of the starter will remain open until the thermal overload device has cooled down enough to reset, which typically takes several minutes.

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The net force on the proton is 2.88 x 10⁻³⁰ N.

The net electric force between the particles is calculated by applying Coulomb's law as shown below.

F = ( kq₁q₂ ) / r²

where;

The distance between the charges is calculated as;

r = √ [ (-2 - 2)² + ( -4 - 4 )² ]

r = 8.94 m

F = ( 9 x 10⁹ x 1.6 x 10⁻¹⁹ x 1.6 x 10⁻¹⁹ ) / ( 8.94² )

F = 2.88 x 10⁻³⁰ N

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The line charge density on a long wire if the electric field 45 cm from the wire has magnitude 240 kn/c and points toward the wire is  2.08 x 10-7 C/m.

Calculating the line charge density of a long wire is a simple process. To begin, we need to know the magnitude of the electric field at a given distance from the wire. In this case, the electric field 45 cm from the wire has a magnitude of 240 kn/c and points toward the wire.

Using this information, we can calculate the line charge density of the wire using the equation:

Line charge density (λ) = Electric field (E) * Permittivity of free space (ε0) / 2π * distance (r)

Plugging in the values, we get:

λ = 240 kn/c * 8.85 x 10-12 C2/Nm2 / 2π * 0.45m

Solving this equation, we get a line charge density of 2.08 x 10-7 C/m.

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Electrons from the charged object as conduction are the charging by contact

Conduction is indeed a method of charging by contact. In conduction, charges are transferred between two objects that are in contact with each other. When an uncharged object comes into contact with a charged object, electrons will flow from the charged object to the uncharged object, until both objects have the same charge.

In solids, conduction occurs when electrons flow through the material, moving from atom to atom. Metals, such as copper and aluminum, are good conductors of electricity because their electrons are not tightly bound to their atoms and can easily flow through the material. Insulators, such as rubber and plastic, are poor conductors of electricity because their electrons are tightly bound to their atoms and do not flow easily through the material.

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The acceleration of the satellite is just below the acceleration of gravity

i.e 9.8 m/s^2.

Given that,

the speed of the satellite in a circular orbit at a height just 100 miles above sea level.

The acceleration of the satellite is due to the force of gravity. The force of gravity is equal to the mass of the satellite times the acceleration of gravity, which is 9.8 m/s^2. The mass of the satellite is very small, so the force of gravity is also very small. However, the satellite is also moving very fast, so the centripetal force is also very small. As a result, the acceleration of the satellite is just a hair less than 9.8 m/s. The satellite is accelerating because it experiences a net force acting on it, and also because its velocity is changing.

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When a 6.00-g bullet is fired at a target that weighs 10.00 kg and is lying on a frictionless surface at a speed of 96 m/s, the bullet's change in momentum if it penetrates the target is 0.576 m/s.

The momentum change is just equal because the final momentum is zero. Momentum is the phrase used to describe a substance's state of motion when its mass is not zero. Therefore, momentum is a property of all moving objects. The formula p = m v, where m denotes an object's mass and v denotes its rate of motion, describes momentum.

The bullet's momentum will alter and become equal to

momentum = 6/1000 * 96 = 0.576, if it is implanted in the block.

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The angle which is calculated below the horizontal of the velocity of the puck just before it hits the ground is 12.60°.

Given the following data:

Initial velocity = 28.0 m/s

Acceleration due to gravity = 9.81

Displacement (height) = 2.00 meters.

Let us calculate and determine the angle below the horizontal of the velocity of the puck just before it hits the ground:

First of all, we need to determine the horizontal and vertical components of the hockey puck.

For horizontal component of this:

[tex]V^{2}= U^{2}+ 2 as\\V^{2}= 0^{2}+ 2 (9.8)(2)\\V^{2}=39.24\\ V=6.26 m/s[/tex]

For vertical component:

[tex]V_{x}=U_{x} \\V_{x}= 28.0 m/s[/tex]

Now, we can find the angle by using the following formula:

θ= [tex]tan^{-1} =\frac{Vx}{Vy}\\[/tex]

Substituting the values, we get.

Angle = 12.60 degrees.

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The change in gravitational potential energy is 5.39 J.

Gravitational potential energy is a type of potential energy that an object possesses due to its position in a gravitational field. It is the energy that an object has due to its height and the force of gravity acting upon it. The formula for gravitational potential energy is given by mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height of the object above a reference point. When an object falls from a height, it converts its gravitational potential energy into kinetic energy.

To find the change in gravitational potential energy, we can use the formula: ΔU = mgh, where m is the mass of the object (1.0 kg), g is the acceleration due to gravity (9.8 m/s^2), and h is the change in height.

The change in height is 0.80 m - 0.25 m = 0.55 m. Plugging in the values, we get:

ΔU = 1.0 kg * 9.8 m/s^2 * 0.55 m = 5.39 J

So the change in gravitational potential energy is 5.39 J.

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The complete question is:

A 1.0kg toy car is released at the top of a frictionless track on the left and rolls off of the track from its right side ramp. The car starts at height of 0.80 m, goes through a 0.50 m diameter loop, and exits the ramp at a height of 0.25 m 0.80 m 0.50 mi 0.25 m What is the change in the car's gravitational potential energy from A to B? Round answer to two significant digits.

Consider the following explanation for defining surface charge density:

= Q/surface sphere's area.Answers: (a) 5.73 * 10-6 C/m2, (b) 648 * 10 N/C, and (c) 56.5 * 10 3 Nm2/C.

Consider the following explanation for defining surface charge density:

= Q/surface sphere's area

Q thus equals * * 4* * R2.

The new Q is as follows: Q initial -0.5 microC =5 micro C at the outer radius.

The new outside charge on the electric is equal to:

E=k*Q/R2outer=9 109*5 microC/(0.25m)2=648*103 N/C.

Last but not least, the flux equivalent to the internal charge is

The total flux is equal to net change divided by 0 according to Gauss's law.

0.5 microC/0 = 56.5 * 10 3 Nm2/C, therefore.

Answers: (a) 5.73 * 10-6 C/m2, (b) 648 * 10 N/C, and (c) 56.5 * 10 3 Nm2/C.

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The acceleration of the Cody's car when moving from 0 m/s to 45 m/s is calculated to be 3 m/s².

The acceleration is described to be the rate of change of velocity. It is a vector quantity. Its S I unit is m/s². If an object in a straight line accelerates up or slows down, it is said to be accelerated. Mathematically, a = Δv/t

where, a = acceleration

Δv = change of velocity = 45 - 0 = 45 m/s

t = time = 15 sec

After plugging the values into the equation above, we have,

a = Δv/t = 45/15 = 3 m/s²

Thus, the required acceleration of the car is calculated to be 3 m/s².

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Point A represents the b.crest.

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The linear curve of the graphs shows an increase in distance of 5 m within 2 seconds. Then , the distance within 5 seconds will be 12.5m and the instantaneous speed is 2.5 m/s.

Instantaneous speed of an object is the speed at a particular instant. It describes how far an object travelled at a particular moment in time.

It is given that, the graph shows linearity in curve , where for each 2 second time interval the monkey climbs 5m. Then, for a time interval of 5 seconds, the monkey will climb 12.5 m in the tree.

Instantaneous speed = distance/time

t= 5 s

d = 12.5 m

then v = 12.5/5 = 2.5 m/s

Therefore, the instantaneous speed of the monkey within the given time will be 2.5 m/s.

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