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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationEnergy & PotentialEasy2 minPYQ_2023

PhysicsEasysingle choice

A body is projected vertically from earth's surface with velocity equal to half the escape velocity. The maximum height reached by the satellite is ( $R =$ radius of earth)

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Answer:

Solution:

Given: $v = \frac{v _{c}}{2}$ If body is projected with velocity $v (v < v_{e})$ then height up to which it will rise, $h = \frac{R}{( \frac{v _{c}^{2}}{v ^{2}} - 1 )}$ $∴ h = \frac{R}{( \frac{v _{e}}{v _{e} /2} ) ^{2} - 1} = \frac{R}{4 - 1} = \frac{R}{3}$

Stream:MHT_CETSubject:PhysicsTopic:GravitationSubtopic:Energy & Potential

⏱ 2mℹ️ Source: PYQ_2023

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