question_answer

The escape velocity for a body of mass 1 kg from the earth surface is \[11.2\text{ }km{{s}^{-1}}.\]The escape velocity for a body of mass 100 kg would be

A)  \[11.2\times {{10}^{2}}km{{s}^{-1}}\]             

B)  \[112km{{s}^{-1}}\]

C)  \[11.2\text{ }km{{s}^{-1}}\]                      

D)  \[11.2\times {{10}^{-2}}\text{ }km{{s}^{-1}}\]