Each question is 4 points) 1.(4 pts) Tom (m, = 25 kg) and Harry (m, = 40 kg) are wrestling while standing on a very slippery icy surface as shown in the figure below. They are initially at rest. Harry pushes on Tom, who slides to the left at 1.3 m/s. What is Harry's speed after pushing Tom? a) 2.08 m/s b) 1.30 m/s 0.81 m/s d) Zero None of the above Tom Harry Tom Harry 2. (4 pts). Two carts move in the same direction along a frictionless air track, each acted on by the same constant force, F, for a time interval At. Cart 2 has twice the mass of cart 1. Which one of the following statements is true about the change of momentum of the cars? a) The changes in momenta depend on the initial velocities. b) Cart 1 has the greater change in momentum. c) Cart 2 has the greater change in momentum. d) Each cart has the same change in momentum. None of the above