Momentum and Energy

  • #1
An isolated system is initially at rest. Is it possible for parts of the system to be in motion at some later time? Explain.

When driving a golf ball, a good 'follow-through' helps to increase the distance of the drive. Explain why this technique allows you to hit the ball farther.
 

Answers and Replies

  • #3
rcgldr
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When driving a golf ball, a good 'follow-through' helps to increase the distance of the drive.
This is false, after the ball leaves the club after the collision, it doesn't matter what the golfer does with the club.
 
  • #4
Initial momentum is zero, which is a vector quantity.
certainly one part can have motion after some time, considering the fact that you are not restricting the motion of the other part.
example: BOMB explosion
 

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