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A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.

A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.
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A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.

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User Bruno Cloutier
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7.7k points

1 Answer

2 votes
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
answered
User Meetnick
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8.3k points
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