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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationField & ForceEasy2 minPYQ_2020

PhysicsEasysingle choice

Acceleration due to gravity is $g$ on the surface of the earth. The value of acceleration due to gravity at a height of $32 km$ above earth's surface is (Radius of the earth $= 6400 km$ )

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Answer:

Solution:

$h = 32 k m, R = 6400 k m$ , so $h < < R$

$g^{'} = g (1 - \frac{2 h}{R}) = g (1 - \frac{2 \times 32}{6400}) \Rightarrow g^{'} = \frac{99}{100} g = 0.99 g$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:GravitationSubtopic:Field & Force

⏱ 2mℹ️ Source: PYQ_2020

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