Question

1 MINUTE TIME LIMIT PLEASE HELPPPPPPPP

A 0.31-kg football approaches John with a velocity of 4.2 m/s. John kicks the ball, giving it a speed of 3.2 m/s but in the opposite direction. Find the change in momentum of the ball. What is the average force did John apply if the interaction time between his foot and the ball was 0.035 seconds?

Answer 1

I did this without checking my work so take the answer will a grain of salt.


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