a machine of efficiency of 70% is used to raise a body of mass 80...

a machine
of efficiency of 70% is used to raise
a body of
mass 80 kg through
a vertical distance of 3m in
40 seconds. Calculate the power input. (Take g = 10 m/s²)?

In Ignatius Ajuru University
1 Answers Available
Asked by David on 14th May, 2022

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