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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationSatellite MotionEasy2 minPYQ_2021

PhysicsEasysingle choice

The orbital velocity of an artificial satellite in a circular orbit just above the earth's surface is ' $V$ '. For the satellite orbiting at an altitude of half the earth's radius, the orbital velocity is

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Answer:

Solution:

The orbital velocity near the surface of the earth $V = \frac{GM}{R}$ At an altitude $\frac{R}{2}$ , the orbital velocity $V^{'} = \frac{GM}{R + \frac{R}{2}} = \frac{2 GM}{3 R} = \frac{2}{3} V$

Stream:MHT_CETSubject:PhysicsTopic:GravitationSubtopic:Satellite Motion

⏱ 2mℹ️ Source: PYQ_2021

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