Author Question: Rita accelerates a 0.50-kg ball from rest to 8.0 m/s during the 0.14 s in which her foot is in ... (Read 50 times)

tnt_battle · **on:** Jul 28, 2018

Rita accelerates a 0.50-kg ball from rest to 8.0 m/s during the 0.14 s in which her foot is in contact with the ball. What average force does she apply to the ball during the kick?
a. 110 N
b. 22 N
c. 29 N
d. 56 N
e. 2.2 N

Question 2

A cart of weight 15.0 N is accelerated across a level surface at 0.15 m/s2 . What net force acts on the wagon? (g = 9.8 m/s2)
a. 22 N
b. 0.23 N
c. 2.3 N
d. 10 N
e. 100 N