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Q.

The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of 2m, on the surface of A. What is the height of jump by the same person on the planet B?

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a

18m

b

6m

c

2/3m

d

2/9m

answer is A.

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Detailed Solution

Hmax=u22g  ⇒Hmax∝1gOn planet B value of g is 1/9 times to that of A. So value of Hmax will become 9 times, i.e., 2 x 9 = 18metre
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