A stationary ball weighing 0.25 kg acquires a speed of 10 m/s when hit by a hockey stick. The impulse imparted to the ball is :

Foundation

Physics Foundation

Force and Newtons Law of Motion

Question

0.5 N × s

2 N × S

0.25 N × S

2.5 N × S

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Impulse = change in momentum
   = Final momentum of ball – initial momentum of ball
   = mv – 0
   = 0.25 × 10 = 2.5 N × S.

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