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In a physics lab, you roll a cart, starting from rest, toward a wall where the cart crashes and stops.

Which of the following procedural methods will allow you to find the change in momentum of the cart?

A
  1. Push the cart, giving it an initial velocity.
  2. Use a photogate to measure the initial velocity of the cart.
  3. Measure the distance between the starting point of the cart and the wall.
  4. Use a slow motion camera to record the collision and measure the time over which the cart collides with the wall.
  5. Use these measurements to solve for the change in momentum.
B
  1. Measure the mass of the cart.
  2. Measure the distance between the starting point of the cart and the wall.
  3. Use a slow motion camera to record the collision and measure the time over which the cart collides with the wall.
  4. Use these measurements to solve for the change in momentum.
C
  1. Push the cart, giving it an initial velocity.
  2. Use a photogate to measure the initial velocity of the cart.
  3. Measure the mass of the cart.
  4. Use these measurements to solve for the change in momentum.
D
  1. Push the cart, giving it an initial velocity.
  2. Use a photogate to measure the initial velocity of the cart.
  3. Record the time it takes the cart to travel from its starting position to the wall.
  4. Use these measurements to solve for the change in momentum.
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