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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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2 m 3 -
2 m 9 - 18 m
- 6 m
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Correct Option: C
Applying conservation of total mechanical energy principle
| mv2 = mgAhA = mgBhB | ||
| 2 |
⇒ gA hA = gB hB
| ⇒ hB = |  |  | hA = 9 × 2 = 18 m | |
| gB |
