Author Question: An automobile of mass 2 500 kg moving at 50.0 m/s is braked suddenly with a constant braking force ... (Read 56 times)

jenna1 · **on:** Jul 28, 2018

An automobile of mass 2 500 kg moving at 50.0 m/s is braked suddenly with a constant braking force of 8 500 N. How far does the car travel before stopping?
a. 7.35 m
b. 368 m
c. 184 m
d. 551 m
e. 19.2 m

Question 2

A barefoot field-goal kicker imparts a speed of 30 m/s to a football at rest. If the football has a mass of 0.45 kg and time of contact with the football is 0.035 s, what is the force exerted on the foot?
a. 14 N
b. 13 N
c. 390 N
d. 860 N
e. 900 N