Question

Question :

The power of a crane is 25000 watt. Calculate the time required by it to lift a load of 6000 kg up to the height of 20 metres.


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Answer 1

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$\huge\purple{Given :- }$

Power =25000watt

Mass=6000kg

Height = 20m


$\huge\green{Solution:-}$

P = 25000 watt

Mass = 6000kg

Height = 20m

P=mgh/t


t=6000 ×10 ×20/25000


t= 48sec


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