1.

The mass of a planet is half that of the earth and the radius of the planet is one - fourth that of earth . If we plan to send an artificail satellite from the planet , the escape velocity will be ( escape velocity on earth v_e= 11km-s^-1)

Answer»

`11 KMS^(-1)`
`5.5 kms^(-1)`
`15.5 kms^(-1)`
`7.7 kms^(-1)`

ANSWER :C


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