question_answer

The escape velocity from the surface of earth is \[{{\upsilon }_{es.}}\] The escape velocity from the surface of a planet whose mass and radius are 3 times those of the earth will be:

A)  \[3{{\upsilon }_{es}}\]     

B)                                         \[9{{\upsilon }_{es}}\]                 

C)  \[{{\upsilon }_{es}}\]                    

D)         \[27{{\upsilon }_{es}}\]