1.

A force acts on a body of mass \[3\,\,kg\] such that its velocity changes from \[4\,\,m\,\,{{s}^{-1}}\] to \[10\,\,m\,\,{{s}^{-1}}\].Calculate the change in the momentum of the body.

A. \[2\,\,kg\,\,m\,\,{{s}^{-1}}\]      
B.        \[14\,\,kg\,\,m\,\,{{s}^{-1}}\]
C. \[18\,\,kg\,m\,\,{{s}^{-1}}\]        
D.        \[42\,\,kg\,\,m\,\,{{s}^{-1}}\]
Answer» D.        \[42\,\,kg\,\,m\,\,{{s}^{-1}}\]


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