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A rocket of mass M is launched vertically from the surface of the earth with an initial speed V. Assuming the radius of the earth to be R and negligible air resistance, the maximum height attained by the rocket above the surface of the earth is
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Correct option is C
ΔK.E.=ΔU⇒12MV2=GMeM1R−1R+h ……….(i) Also g=GMeR2 ………(ii) On solving (i) and (ii), h=R2gRV2−1Similar Questions
A shell of mass M and radius R has a point mass m placed at a distance r from its centre. The gravitational potential energy U (r) vs r will be
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