Gravitation

Question: A planet has twice the radius but the mean density is $\frac{1}{4}th$ as compared to earth. What is the ratio of escape velocity from earth to that from the planet

1) 3 : 1

2) 1 : 2

3) 1 : 1

4) 2 : 1

Solution:

Explanation: No Explanation

Gravitation Potential Gravitational Potential Energy and Escape Velocity

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