Physics, asked by ghostblaze39, 2 months ago

A crane lifts a concrete block whose weight is 60000N to a height of 20m in 30s​

Answers

Answered by kripakaushik4171
0

Explanation:

Given : m=600kg h=20 m

Time of operation t=2 min =120 s

Work done in lifting a box W=mgh=600×10×20=120000

Power required P=

t

W

=

120

120000

=1000 watts

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