The ratio of radii of earth to another planet is 21 3 and the ratio of – McqOptions

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1.	The ratio of radii of earth to another planet is 21 3 and the ratio of their mean densities is 4/5. If an astronaut can jump to a maximum height of 1.5 m on the earth, with the same effort, the maximum height he can jump on the planet is
A.	1 m
B.	0.8 m
C.	0.5 m
D.	125 m
Answer» C. 0.5 m

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