Specter Specter
  • 22-10-2023
  • Physics
High School

A crane lifts a 35,000-N steel grinder a distance of 25 m in 45 s. How much power did the crane require to lift the grinder?

Write your answer in kilowatts.

Answer :

ashley822 ashley822
  • 25-07-2023
With the information given, one can presume that:

Work = F • d (so W = 875,000 J)

The equation for power is:

P = W/t (so P = 19444.4 Watts)

1 Watt = 1000 Kilowatts

So the answer would be 19,444,444 kW
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