The velocity with which an object should be projected from the surface – McqOptions

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1.	The velocity with which an object should be projected from the surface of the earth such that it reaches a maximum height equal to n time the radius of earth R is _____ (M = Mass of the earth)
A.	[(nGM)/(n+1)R] <sup>1/2</sup>
B.	[((n+1)GM)/(n+1)R] <sup>2</sup>
C.	[(nGM)/(n+1)R] [((n+1)GM)/nR] <sup>2</sup>
Answer» B. [((n+1)GM)/(n+1)R] <sup>2</sup>

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