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b.The radius of planet A is half the radius of planet B.If the mass of A is M^A,what must be the mass of B so that the value of g on B is half that of its value on A?Ans:2M^A |
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Answer» g=R2/GM⟹M=Gg/R2Here, gA/gB=21 and RA/RB=2⟹MA/MB=gA/gB(RA/RB)2⟹MA/MB=21(2)2 |
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