What is the velocity of the 3 kg ball after the collision?

What is the velocity of the 3 kg ball after the collision?

The velocity of the 3 kg ball is 4 m/s after the collision.

What will happen if a moving cart hits a stationary cart with the same mass in an elastic collision?

In this scenario, momentum in conserved between the two objects. For a perfectly elastic collision, the final velocities of the carts will each be 1/2 the velocity of the initial velocity of the moving cart.

How to find the velocity of the combined carts after collision?

After the collision, the combined (vector sums, use correct signs) of the two carts’ momentum must equal the incoming momentum. Since you have the mass and velocity of one of the two cars, and the mass of the other, you should be able to find the missing velocity: p = mrivri = mrfvrf + mbfvbf.

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What are the velocities when the masses of the two carts are equal?

If the two carts have the same mass, we have v1f = 0, and v2f = v1i. Thus, after collision, the first cart stops while the second one takes off with the velocity that the first one had had before collision.

What is the formula for velocity of a collision?

What is the formula of collision? From the conservation of momentum, the formula during a collision is given by: m1v1 + m2v2 = m1v’1 + m2v’2. If the collision is perfectly inelastic, the final velocity of the system is determined using v’ = (m1v1 + m2v2)/m1 + m2.

What is the formula for the velocity of a ball?

The velocity of the falling ball as a function of time is v = -9.8 (m/s2) t j and its position as a function of time is r = (4.9 m – ½ 9.8 (m/s2) t2) j.

What are the 2 types of collision?

  • Inelastic collisions: momentum is conserved,
  • Elastic collisions: momentum is conserved and kinetic energy is conserved.

What is the formula for velocity after elastic collision?

Conservation of Momentum: The equation for conservation of momentum during an elastic collisions is: ( m 1 ) ( v 1 i ) + ( m 2 ) ( v 2 i ) = ( m 1 ) ( v f 1 ) + ( m 2 ) ( v 2 f ) , where the velocities before and after are described by their labeling where v 1 i , v 2 i represent the initial velocities and v 1 f , v 2 …

When two carts having the same mass and same speed collide and stick together they stop is momentum conserved?

Two objects that have equal masses head toward each other at equal speeds and then stick together. The two objects come to rest after sticking together, conserving momentum but not kinetic energy after they collide. Some of the energy of motion gets converted to thermal energy, or heat.

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Is momentum a form of energy?

Momentum is NOT a form of energy; it is simply a quantity which proves to be useful in the analysis of situations involving forces and impulses. b. TRUE – If an object has momentum, then it is moving. If it is moving, then it has kinetic energy.

What is the formula for initial velocity?

Let us take a quick look at those formulas. The first formula to find initial velocity is u = v – at.

What is the formula of change in momentum?

Step 1: Identify the mass of the object, , the initial velocity of the object, , and the final velocity of the object, . Step 2: Calculate the change in momentum, which is equal to the impulse, , using the formula Δ p = m ( v f − v i ) .

What is the velocity of a 3 kg particle?

The velocity of a 3.00kg particle is given by v = ( 8.00 t + 3.00 t 2 ) m / s ,with time tin seconds.At the instant the net force on the particle has a magnitude of 35.0 N, what are the direction (relative to the positive direction of the x axis) of (a) the net force and (b) the particle’s direction of travel?

What is the velocity of the ball after the elastic collision?

Assuming an elastic collision where kinetic energy and momentum are conserved, the answer is the following: m1v1i + m2v2i = m1v1f + m2v2f —–> v1f = -v1i((m2v2f/m1v1i) – 1) Plug in numbers —-> v1f = 4 m/s.

What is the velocity of the 8 ball after the collision?

What is the velocity of the 8 ball after the elastic collision below? The pool balls have the same mass. Because the cue ball stops, that mean the 8 ball moves forward with the original speed of the cue ball. So the speed is v = 2.0 m/s after the collision.

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What is the velocity of the ball after collision with the wall?

So from the ground frame, the velocity of ball after collision with wall is 2u+v. A ball moving with a velocity v hits a massive wall moving towards the ball with a velocity u. An elastic impact lasts for time Δt.

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