Question #292498

A load of mass 120kg is raise vertically through a high of 2m in 30s by a machine whose efficiency is 100% calculate power generated by the machine

Expert's answer

The power generated by the machine is


P=ΔWt=mght=78.4 W.P=\dfrac{\Delta W}{t}=\dfrac{mgh}{t}=78.4\text{ W}.


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