Gravitation Question 316

Question: 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?

Options:

A) [23m]

B) [29m]

C) 18 m

D) 6 m

Show Answer

Answer:

Correct Answer: C

Solution:

  • Applying conservation of total mechanical energy principle

    [12mv2=mgAhA=mgBhB]

    [gAhA=gBhB] [hB=(gAgB)hA=9×2=18m]



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