Find the power of a crane if it lifts a load of 900 N to a height of 100 m in 50 seconds.
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Answered by
1
Answer:
1800 Watts
Explanation:
Simple. First find the work done.
900 N x 100 m = 90.000 Joules.
That is the energy expended. The work performed is thus:
90000J ÷ 50 s = 1800Watts
Thus the power or rate of work this machine can develop is at least 1800 watts.
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Answered by
2
Explanation:
1800 watts is the correct answer
mark as brainliest please
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