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Grade: 12

                        

The amount of work done in lifting a body of mass m from the surface of the earth to a height equal to twice the radius of the earth is

6 years ago

Answers : (1)

Nirmal Singh.
askIITians Faculty
44 Points
							work done W = - delta U
W = -[GMm(1/r1 - 1/r2)]
W = -[GMm (1/R - 1/3R)]
W = -GMm(2/3R)
W = -2GMm / 3R joule
Thanks & Regards,
Nirmal Singh
Askiitians faculty
6 years ago
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