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A crane lifts a 500-kg load to a height of 100m. Calculate the amount of work done by the crane​

Sagot :

Answer:

Work done = PE

= mgh

= 5000 x 9.81 x 10

= 490500 J

Power = Work done/time taken

= 490500/10

= 49050 watts

= 49.050 kW

Explanation:

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