A 100g ball moving with a velocity of 20 ms-1 returns in opposite direction with a velocity of 30 ms-1 after striking a bat. The impulse is *
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Answer:
Answer is 5
Explanation:
Impulse is rate of change of momentum
Initial momentum is = m x v = 0.1 x 20 = 2
Final momentum is = m x v' = 0.1 x - 30 = - 3
Change in momentum = final - initial momentum
= - 3 - 2 = - 5
There fore impulse = 5
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Answer:
A 100 g ball moving with a velocity of 20m/s returns in opposite direction with a velocity of 30m/s after striking a bat. The impulse is
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