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A 60 kg soccer player kicks a stationary 0.4 kg ball giving it a speed of 14 m/s. The player's foot is in contact with the ball for 0.08 second. What is the average force on the ball?

P.S What formula/s should I use?

2 answers

a = (V-Vo)/t = m/s^2.
V = 14 m/s.
Vo = 0.
t = 0.08 s.
Solve for a.

F = M*a.
F = M*a.
M = 0.4 kg.