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

As-Salamu-Alykum


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P = 25000 watt

Mass = 6000kg

Height = 20m

P=mgh/t


t=6000 ×10 ×20/25000


t= 48sec


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INSHALLAH it will help U

Answer 2

Given,

P=25000W

M=6000KG

H=20M

G=10M/S^2

WE KNOW,

P=W/T

T=W/P
=MGH/P
=6000*10*20/25000
=48 S