A hockey ball of mass 300g travelling at 15m/s is stuck by a hockey stick, so as to return it along it original path with a velocity of 5m/s . Calculate the change of momentum occurred in the motion of the hockey ball by the force applied by the hockey stick.
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Given A hockey ball of mass 300 g travelling at 15 m/s is stuck by a hockey stick, so as to return it along it original path with a velocity of 5 m/s . Calculate the change of momentum occurred in the motion of the hockey ball by the force applied by the hockey stick.
- Mass of the hockey ball = 300 g = 0.3 kg
- Velocity of hockey ball v1 = 15 m/s
- Velocity of hockey ball travelling in opposite direction v2 = - 5 m/s
- Initial momentum = mv1
- Final momentum = mv2
- Change in momentum = Final momentum - initial momentum
- = mv1 - mv2
- = m (v1 – v2)
- = 0.3 (15 – (-5) )
- = 0.3 x 20
- = 6 kg m/s
Reference link will be
https://brainly.in/question/9422071
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Answer:
6KGm/s will be the correct answer
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