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Physics

General

Easy

Question

A particle of mass 10g is kept on the surface of a uniform sphere of mass 100 kg and radius 10 cm Find the work to be done aginst the gravitational force between them to take the particle is away from the sphere (G=6.67 $cross times 10 to the power of negative 4 end exponent$ SI unit)

6.67 $\times 10^{- 9}$ J
6.67 $\times 10^{- 10}$
13.34 $\times 10^{- 10}$ J
3.33 $\times 10^{- 10}$ J

The correct answer is: 6.67 $cross times 10 to the power of negative 10 end exponent$

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