GravitationHard

Question

A particle of mass m is transferred from the centre of the base of a uniform solid hemisphere of mass M and radius R to infinity. The work performed in the process by the gravitational force exerted on the particle by the hemisphere is

Options

A.
B.-
C.-
D.-

Solution

P.E. of the system is equal to Ui = -
work done
⇒ - ᐃU ⇒ - [Uf - Ui] ⇒ Ui ⇒ -

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