The kinetic energy needed to project a body of mass m from the earth surface (radius R) to infinity is

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asked Mar 22, 2018 in Science by paayal (26,720 points) 4 6 51

The kinetic energy needed to project a body of mass m from the earth surface (radius R) to infinity is

(a) mgR/2 

(b) 2mgR

(c) mgR 

(d) mgR/4.

1 Answer

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answered Mar 22, 2018 by sanjaydas (61,430 points) 5 7 7

The correct answer is:

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