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A body is projected upwards with a velocity of  from the surface of earth. What will be the velocity of the body when it escapes from the gravitational pull of earth?

a)

b)

c)

d)



Question ID - 54556 | SaraNextGen Top Answer

A body is projected upwards with a velocity of  from the surface of earth. What will be the velocity of the body when it escapes from the gravitational pull of earth?

a)

b)

c)

d)

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

(d)

The minimum velocity of projection to achieve escape velocity can be calculated as

 energy is used up in coming out from the gravitational pull of the earth, so

final KE should be

127 votes


127