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The escape velocity of an object on a planet whose radius is `4` times that of the earth and `g` value `9` tims that on the earth, in `Kms^(-1)`, isA. `33.6`B. `67.2`C. `16.8`D. `25.2` |
Answer» Correct Answer - B `v_(e)=sqrt(2gR)rArr V_(e)propsqrt(gR)` |
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