A lit of mass M=0.8 ton is raised to a height h=40m in t=0.5min. The voltage across the motar terminals is V=220V and the motar

A lit of mass M=0.8 ton is raised to a height h=40m in t=0.5min. The voltage across the motar terminals is V=220V and the motar efficiency `eta=90%`. Find the power an current consumed by the motar and the price of one hoisting if B.O.T. costs 60 paise.

A lit of mass M=0.8 ton is raised to a height h=40m in t=0.5min. The voltage across the motar terminals is V=220V and the motar efficiency `eta=90%`.

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