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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationEnergy & PotentialEasy2 minPYQ_2022

PhysicsEasysingle choice

The escape velocity for a planet whose mass is six times the mass of earth and the radius is twice the radius of earth will be $[V_{e} =$ escape velocity from the earth $]$

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Answer:

Solution:

Escape velocity is defined using relation: $\frac{1}{2} mv_{e}^{2} = \frac{GMm}{R} \Rightarrow V_{e} = \frac{2 GM}{R}$ If $M$ is replaced $6 M & R$ is replaced by $2 R$ then $V_{e}^{'} = 3 V_{e}$

Stream:MHT_CETSubject:PhysicsTopic:GravitationSubtopic:Energy & Potential

⏱ 2mℹ️ Source: PYQ_2022

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