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August 23, 2014

August 23, 2014

Posted by **Rob** on Wednesday, July 18, 2012 at 7:12pm.

floor to another. To lift 250 1-kg containers a vertical distance of 2.4 m, the motor runs for 45 s.

What is the efficiency of the motorized conveyor system?

- Physics -
**bobpursley**, Wednesday, July 18, 2012 at 7:40pmenergy output= 250g*2.4

energy input= 450*45s

efficiency= output/input

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