an elevator is designed to lift a load of 1000kg through 6 floors when each floor is 3.5 in 6 sec .what is the power of elevator?
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Answer: 3.43 ×10⁴
Explanation:
Given =
Mass= 1000kg
Time =6sec
Power = ?
Sol
Power =work done/time
Work done = m x g x h
Height = 6 x 3.5
=21
Work done = 1000 x 9.8 x. 21
= 9800 x 21 = 205800
Power = 205800/6
= 34300
= 3.43 x 10⁴
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