1.

The escape velocity from the surface of earth is v_e . The escape velocity from the surface of a planet whose mass and radius are 3 times those of the earth will be ...........

Answer»

`v_e`
`3v_e`
`9v_e`
`27v_e`

Solution :`impliesv_e = sqrt((2GM)/(R) ):. v_e prop sqrt(M/R)`
If the mass and RADIUS are 3 TIME those of the earth EVEN the escape velocity remain the same .


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