The mass of the earth is 9 times that of...

The mass of the earth is `9` times that of the mars. The radius of the earth twice that of the mars. The escape velocity of the earth is `12km//s`. The escape velocity on the mars is ........`km//s`

`4sqrt(2)km//s`

`2sqrt(2) km//s`

`6sqrt(2) km//s`

`8sqrt(2) km//s`

Text Solution

Verified by Experts

The correct Answer is:

`(v_(m))/(v_(e))=sqrt((M_(m))/(M_(e))(R_(e))/(R_(m)))`

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