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A cricket ball of 0.5 kg mass is hit a b...

A cricket ball of 0.5 kg mass is hit a bat with `30 m//s` velocity and came back with velocity `20 m//s`. What is the impulse of the bat on the ball?

A

0.5N.s

B

1.0N.s

C

25N.s

D

50N.s

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