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 ⇒ -

Create a free account to view solution

View Solution Free
Topic: Gravitation·Practice all Gravitation questions

More Gravitation Questions

A satellite is revolving round the earth with orbital speed v0. If it stops suddenly, the speed with which it will strik...When a satellite in a circular orbit around the Earth enters the atmospheric region, it encounters small air resistance ...Which of the following statements are true about acceleration due to gravity ?...A planet is revolving around the sun is an elliptical orbit as shown in figure. Select correct alternative(s)...The value of acceleration due to gravity , at earth surface is g. Its value at the centre of the, which we assume as a s...