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While playing tag, Bob is being chased. He thinks he will get away faster by jumping...

While playing tag, Bob is being chased. He thinks he will get away faster by jumping on a stationary cart. Bob has a mass of 75kg and the cart has a mass of 25kg. If Bob’s speed is 4.0 m/s when he jumps on the cart, what is the speed of the cart after Bob jumps on?

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Answer #1

Apply conservation g momentum, muitma U2 =/m, tma) v 7514) +0 = (75+ as) V= 3 m/s

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