The kinetic energy needed to project a body of mass m from the earth's surface to infinity is.

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asked Mar 24, 2018 in Physics by shabnam praween (19,050 points) 5 6 8
The kinetic energy needed to project a body of mass m from the earth's surface to infinity is

(a) 1/4 mgR

(b) 1/2 mgR

(c) mgR

(d) 2 mgR.

1 Answer

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answered Mar 24, 2018 by santoshjha (25,550 points) 4 5 6
selected Mar 26, 2018 by Vikash Kumar
 
Best answer
The correct answer is

(c) mgR

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