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The mass of planet mars is 1/10 th of th...

The mass of planet mars is `1/10` th of the mass of earth and radius is `1/2` of the radius of earth. If the escape velocity at the earth is 11.2km/s, then the escape velocity at Mars will be

A

10 km/s

B

5 km/s

C

20 km/s

D

40 km/s

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The correct Answer is:
B
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MOTION-SHM-WAVE,GRAVITATION,FLUID,HEAT-EXERCISE
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