A cricket ball of mass 0.5 kg, moving at...

A cricket ball of mass 0.5 kg, moving at 30 m`cdot s^(-1)`, hits a bat perpendicularly and rebounces with a velocity of 20 m`cdot s^(-1)`. Impulse of the force exerted by the ball on the bat is

0.5 `N cdot s`

1.0 N`cdot`

25 N`cdot` s

50 N`cdot` s

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