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If mass of earth is , radius is  and gravitational constant is , then work done to take  mass from earth surface to infinity will be

a)

b)

c)

d)



Question ID - 54847 | SaraNextGen Top Answer

If mass of earth is , radius is  and gravitational constant is , then work done to take  mass from earth surface to infinity will be

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Potential energy of the  mass which is placed at the earth surface

Its potential energy at infinite = 0

 Work done = change in potential energy

127 votes


127