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huybinhs
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Homework Statement
A soccer player kicks a ball of mass 0.44 kg that is initially at rest. The player's foot is in contact with the ball for 0.008 s. The force of the kick is shown in the Figure.
a) What is the impulse imparted on the ball?
b) What is the average force exerted by the player's foot on the ball during the period of contact?
c) What is the magnitude of the ball's velocity immediately after it loses contact with the player's foot?
Homework Equations
P = mv
I = E(ext) * Delta t
The Attempt at a Solution
a) I took 2 point then use I = F * Delta t. After that I substract them and it's INCORRECT! Any guide?