The motor powering the pulley system shown is drawing 6 kW of power. The crate B has a mas...
The motor powering the pulley system shown is drawing 6 kW of power. The crate B has a mass of 250 kg. Determine the speed of the crate if the crate is lifted at a constant speed and the motor’s efficiency is ϵ = 0.87.
Figure P4.79
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