Given mass of the moon is 1/81 of the ma...

Given mass of the moon is 1/81 of the mass of the earth and corresponding radius is 1/4 of the radius of earth. If escape velocity on the earth's surface is 11.2 km/s, the value of same on the surface of the moon is

0.14 km/s

0.5 km/s

2.5 km/s

5 km/s

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