Question
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
Answer: Option C
:
C
ΔK.E=ΔU⇒12MV2=GMeM(1R−1R+h)……(i)Alsog=GMeR2……(ii)Onsolving(i)and(ii)h=R(2gRV2−1)
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C
ΔK.E=ΔU⇒12MV2=GMeM(1R−1R+h)……(i)Alsog=GMeR2……(ii)Onsolving(i)and(ii)h=R(2gRV2−1)
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