A cricket ball of mass \[120\,\,g\] is moving with a velocity of\[12\,\,m\,\,{{s}^{-1}}\]. It turns back and moves with a velocity of \[20\,\,m\,\,{{s}^{-1}}\] when hit by a bat. Find the impulse if the force acts on the ball for\[0.02\,\,s\].

A cricket ball of mass \[120\,\,g\] is moving with a velocity of\[12\,

1.	A cricket ball of mass \[120\,\,g\] is moving with a velocity of\[12\,\,m\,\,{{s}^{-1}}\]. It turns back and moves with a velocity of \[20\,\,m\,\,{{s}^{-1}}\] when hit by a bat. Find the impulse if the force acts on the ball for\[0.02\,\,s\].
A.	\[4N\,\,s\]
B.	\[8N\,\,s\]
C.	\[32N\,\,s\]
D.	\[192N\,\,s\]
Answer» E.

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A cricket ball of mass \[120\,\,g\] is moving with a velocity of\[12\,\,m\,\,{{s}^{-1}}\]. It turns back and moves with a velocity of \[20\,\,m\,\,{{s}^{-1}}\] when hit by a bat. Find the impulse if the force acts on the ball for\[0.02\,\,s\].

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