(Answered) A 65-kg bicyclist rides his 88-kg bicycle with a speed of

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A 65-kg bicyclist rides his 8.8-kg bicycle with a speed of 14 m/s.

(a) How much work must be done by the brakes to bring the bike and rider to a stop?

(b) How far does the bicycle travel if it takes 4.0 s to come to rest?

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