Gravitation

Question: The escape velocity from the earth is about 11 km/second. The escape velocity from a planet having twice the radius and the same mean density as the earth, is

1) 22 km/sec

2) 11 km/sec

3) 5.5 km/sec

4) 15.5 km/sec

Solution:

Explanation: No Explanation

Gravitation Potential Gravitational Potential Energy and Escape Velocity

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