Consider a body in space which has a mass twice that of the Earth and a radius thrice that of the Earth. What will be the weight of a book in this body in space, if it's weight on the Earth is 9020 N ?
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sol,
weight is Wp---
=G(2M)(m)/R^2
Wp = (2/9)(GMm/R^2)
Wp =(2/9)(9020)
Wp =2004.4444N
weight is Wp---
=G(2M)(m)/R^2
Wp = (2/9)(GMm/R^2)
Wp =(2/9)(9020)
Wp =2004.4444N
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