Physics · Explorer

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Power and timeRunning
Energy ledger. Trip time at 27.6 s. Work delivered 77280 J, Work per trip 33600 J. Currently work delivered is over by 43680 J.TUNINGWORK DELIVEREDWORK PER TRIPTOTAL ENERGY IS FIXED — THE SPLIT IS NOT27.6 S
t = 0.0s

Work delivered

77280J

Work per trip

33600J

27.6 s

Energy ledger. Trip time at 27.6 s. Work delivered 77280 J, Work per trip 33600 J. Currently work delivered is over by 43680 J.

What has to balanceP=WtP = \frac{W}{t}

What is happening

You are called to a goods lift being specified for a warehouse mezzanine.

The specification contradicts itself. Each trip does 33 600 J of work, the motor plate is fixed at 2 800 W, and the trip time written down matches neither.