February 21, 2017

Homework Help: Physics

Posted by Claire on Saturday, October 24, 2009 at 8:41am.

A 2-hp motor drives a sanding belt. If the efficiency of the motor is 87% and that of the sanding belt 75% due to slippage, what is the overall efficiency of the system?

The answer has to be 65.25%. Can someone please help me to work it out?

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