Physics problems..help?

Question

1. A 0.140 kg baseball traveling 45 m/s strikes the catcher's mitt which in bringing the ball to the rest,recoils backyard 11cm. What was the average force applied by the ball on the glove?

2.What is the average force exerted by a shot-puter on a 7kg shot if the shot is moved through a distance of 2.8m and is released with a speed of 13m/s?

3.How much tension must a rope withstand if it is used a accelerate a 1200kf car vertically upward at 0.8m/s^2?Ignore friction

Answer 1

40N

55N

10N

Answer 2

you should probably do your own homework. Thats the only way you will learn it, and if you dont learn it you will flunk the test....and life