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anyanavicka [17]
3 years ago
11

3. A soccer player applies an average force of 180 N during a kick. The kick accelerates a .45 kg soccer ball from rest to a spe

ed of 18 m/s. What is the impulse imparted to the ball
Physics
1 answer:
liq [111]3 years ago
4 0

Answer:

8.1Ns

Explanation:

Impulse is expressed as the product of Force and time

Impulse = Ft

F is the force = 180N

Get the time using the equation of motion

v = u+at

18 = 0+F/m(t)

18 = 180/0.45(t)

18 = 400t

t = 18/400 secs

Recall that;

Impulse = Ft

Impulse = 180×18/400

Impulse = 8.1Ns

Hence the impulse imparted to the ball is 8.1Ns

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