Two buses have equal masses (5,000 kg). Bus A is moving at a velocity of 20 m/s west. Bus B is at rest. When they collide, Bus B bounces off of Bus A. After they collide, Bus A has 0 momentum. What is the final momentum of Bus B?

Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n

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Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f