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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationField & ForceMedium2 minPYQ_2011

PhysicsMediumsingle choice

If the density of a small planet is the same as that of earth, while the radius of the planet is $0.2$ times that the earth, the gravitational acceleration on the surface of that planet is

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Answer:

Solution:

$g = \frac{4}{3} π GRρ$ and $g^{'} = \frac{4}{3} π G R^{'} ρ$ $∴$ $\frac{g ^{'}}{g} = \frac{R ^{'}}{R} = 0.2 g^{'} = 0.2 g$

Stream:MHT_CETSubject:PhysicsTopic:GravitationSubtopic:Field & Force

⏱ 2mℹ️ Source: PYQ_2011

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