1. Two boxes of different mass are at rest. If both boxes are acted upon by equal force, which of the following statements is then true? If both boxes are pushed for the same amount of time, then both boxes will have the same final kinetic energy. The change in momentum is dependent on the distance each box is pushed. If both boxes are pushed for the same amount of time, then the lighter box will have the greater final kinetic energy. The change in kinetic energy is dependent on the amount of time each box is pushed. If both boxes are pushed the same amount of time, then the lighter box will have the smaller final kinetic energy 2. Puck 1 (1 kg) travels with velocity 30 m/s to the right when it collides with puck 2 (2 kg) which is initially at rest. After the collision, puck 1 moves with a velocity of 0 m/s. Assume that no external forces are present and therefore the momentum for the system of pucks is conserved. What is the final velocity (in m/s) of puck 2 after the collision?

1. Two boxes of different mass are at rest. If both boxes are acted upon by equal force, which of the following statements is then true? If both boxes are pushed for the same amount of time, then both boxes will have the same final kinetic energy. The change in momentum is dependent on the distance each box is pushed. If both boxes are pushed for the same amount of time, then the lighter box will have the greater final kinetic energy. The change in kinetic energy is dependent on the amount of time each box is pushed. If both boxes are pushed the same amount of time, then the lighter box will have the smaller final kinetic energy 2. Puck 1 (1 kg) travels with velocity 30 m/s to the right when it collides with puck 2 (2 kg) which is initially at rest. After the collision, puck 1 moves with a velocity of 0 m/s. Assume that no external forces are present and therefore the momentum for the system of pucks is conserved. What is the final velocity (in m/s) of puck 2 after the collision?