Momentum and Collisions

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  • Created by: Qiao-Chu
  • Created on: 06-04-13 23:37

Momentum(kg m/s) = Mass(kg) x Velocity(m/s)

All moving objects have momentum.

The greater the mass and the greater its velocity, the more momentum it has.

Momentum is a vector quantity and has size and direction.

'Momentum before = momentum after' in a closed system = Conservation of momentum.

  • Two skaters skate towards each other.
  • Skater A is 80kg and is moving at 2m/s.
  • Skater B is 60kg and is moving at 1.5m/s.
  • Total momentum before collision = (80x2)+(60x-1.5)
  • =70kg m/s
  • Total momentum…


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