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An elevator cable lift a 755-kg elevator 5.8 M. what is the power expended if the elevator takes 6.2 seconds for the trip

An elevator cable lift a 755kg elevator 58 M what is the power expended if the elevator takes 62 seconds for the trip class=

Respuesta :

The power expended if the elevator takes 6.2 seconds for the trip is 7,062.90Watt

How to calculate the rate of change of work done?

Power is the rate of change of work done. Mathematically;

Power = force*distance/time

Given the following parameters:

Mass = 755kg

  • Force = 7550N
  • distance = 5.8m
  • time = 6.2 seconds

Substitute into the formula to have:

Power = 7550*5.8/6.2

Power = 7,062.90Watt

Hence the power expended if the elevator takes 6.2 seconds for the trip is 7,062.90Watt

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