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 0.23 s). if the football has a mass of 0.45 kg, what average force does the punter exert on the ball

Answer 1

use F=ma formula
F=m v/t. a=v/t
put values u will get answer.
answer should be around 30N .