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a)a 7kg bowling ball collides with a 3 kg bowling ball by direct impact and its...

a)a 7kg bowling ball collides with a 3 kg bowling ball by direct impact and its velocity changed form 2 to -3m/s. What is the magnitude of the impulse in 7kg bowling ball and the 3Kg bowling ball(Ns)?

b) A 10kg bowling ball collides with an object by direct impact and has a velocity changed from 4m/s to -4m/, wHat is the impulse of 10kg bowling ball(Ns)?

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