Question

2. A football player kicks a ball with a force of 50N. Find the impulse on the ball if his foot stays in
contact with the football for 0.01s.
a
3.A hockey player applies an average force of 80N to a 0.25kg hockey puck for a time of 0.2s.
Determine the impulse experienced by the hockey puck.

Answer 1

Answer:

you should know

$i = ft$

where f is an average force.

First Question

i = 50N ×0.01s = 0.5 N•s

Second Question

i = 80N ×0.2s = 16N•s