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PhysicsW.E.P.Conservative force & potential energyEasy2 minPYQ_2020

PhysicsEasysingle choice

A mass $m$ on the surface of the Earth is shifted to a target equal to the radius of the Earth. If $R$ is the radius and $M$ is the mass of the Earth, then work done in this process is

Options:

Answer:

Solution:

Work done $= ∆ P E = - \frac{G M m}{R + R} - (- \frac{G M m}{R})$
$= \frac{G M m}{2 R} = \frac{m g R}{2}$

Stream:JEESubject:PhysicsTopic:W.E.P.Subtopic:Conservative force & potential energy

⏱ 2mℹ️ Source: PYQ_2020

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