College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 79

At a basketball game, a 120-lb cheerleader is tossed vertically upward with a speed of 4.50 m/s by a male cheerleader. (a) What is the cheerleader's change in momentum from the time she is released to just before being caught if she is caught at the height at which she was released (b) Would there be any difference if she were caught 0.30 m below the point of release If so, what is the change then