Teaching UKPSC Lecturer Mock Test Series 2024 Physics Gravitation Escape speed

Escape velocity of a body from earth is 11.2 km/s. If the radius of a planet be one-third the radius of earth and mass be one-sixth that of earth, the escape velocity from the plate is:

1
11.2 km/s
2
8.4 km/s
3
4.2 km/s
4
7.9 km/s
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