A ball of mass 0.15kg is kicked against a rigid vertical wall with a horizontal velocit...
Question
A ball of mass 0.15kg is kicked against a rigid vertical wall with a horizontal velocity of 50ms-1. If it rebounced with a horizontal velocity of 30ms-1, Calculate the impulse of the ball on the ball · ·Options
A) 3.0Ns
B) 4.5Ns
C) 7.5Ns
D) 12.0Ns
Related Lesson: Impulse | Linear Momentum and Collisions
The correct answer is B.
Explanation:
Impulse = m(v-u)
= 0.15(80-50)
= 4.5N/s
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Impulse = m(v-u)
= 0.15(80-50)
= 4.5N/s
Where did u see 80