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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationEnergy & PotentialEasy2 minPYQ_2020

PhysicsEasysingle choice

A space station is at a height equal to the radius of the Earth. If $V_{E}$ is the escape velocity on the surface of the Earth, the same on the space station is......times $V_{E} .$

Options:

Answer:

Solution:

Escape velocity at a height $h$ from the surface of Earth $v_{E}^{'} = \sqrt{\frac{2 G M}{R + h}} [v_{E} = \sqrt{\frac{2 G M}{R}}]$

Given, $h = R$

$\Rightarrow v_{E}^{'} = \sqrt{\frac{2 G M}{R + R}} = \frac{1}{\sqrt{2}} \sqrt{\frac{2 G M}{R}} = \frac{v_{E}}{\sqrt{2}}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:GravitationSubtopic:Energy & Potential

⏱ 2mℹ️ Source: PYQ_2020

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