# physics

posted by Anonymous

A football punter accelerates a 0.47 kg football from rest to a speed of 6.4 m/s in 0.27 s, what constant force does the punter exert on the ball?
N upward

1. Henry

V = Vo + a*t

V = 6.4 m/s.
Vo = 0
t = 0.27 s.
Solve for a.

F = m*a

2. Anonymous

3.7037

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