Question

A football punter accelerates a football from rest to a speed of 15 m/s during the time in which his toe is in contact with the ball (about 0.15 s). If the football has a mass of 0.44 kg, what average force does the punter exert on the ball?

Answer 1

Force, F = 44 N

Step-by-step explanation:

Given that,

Initial speed of the football, u = 0

Final speed, v = 15 m/s

The time of contact of the ball, t = 0.15 s

The mass of football, m = 0.44 kg

We need to find the average force exerted on the ball. It is given by the formula as :

`F=ma\\\\F=(mv)/(t)\\\\F=(0.44* 15)/(0.15)\\\\F=44\ N`

So, the average force exerted on the ball is 44 N. Hence, this is the required solution.