Q6
initial potential energy = -11GMm/8R where M =d*vol of larger sphere
final energy=-2GmM'/R where M' is mass of hollow sphere.
so ini PE= final PE + 1/2mv^2
but i am not getting correct answer=sqrt(2/3pi G d R^2)
initial potential energy = -11GMm/8R where M =d*vol of larger sphere
final energy=-2GmM'/R where M' is mass of hollow sphere.
so ini PE= final PE + 1/2mv^2
but i am not getting correct answer=sqrt(2/3pi G d R^2)
please clear doubt
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