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A 674-kg elevator starts from rest and moves upward for 2.90 s with constant acceleration until...

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Physics

A 674-kg elevator starts from rest and moves upward for 2.90 swith constant acceleration until it reaches its cruising speed,1.80 m/s.

(a) What is the average power of the elevator motor during thisperiod?______________ hp

(b) How does this amount of power compare with its power duringan upward trip with constant speed? (Give the power during anupward trip with constant speed.)____________________ hp

Answer & Explanation Solved by verified expert
4.3 Ratings (615 Votes)
Given Mass of the elevator m 674 kg Initial velocity of elevator is vi 0 ms Time    See Answer
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