Sarah Collinson
Flashcards by , created over 3 years ago

AS level Physics (GCSE) Flashcards on Momentum, created by Sarah Collinson on 05/01/2016.

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Sarah Collinson
Created by Sarah Collinson over 3 years ago
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Question Answer
What is meant by conservation of momentum? The total momentum before a collision is equal to the total momentum after the collision
What is the total change in momentum after a collision? 0
What is the unit of momentum? kgm/s
Why is the total momentum 0 after an explosion? The objects move apart with equal and opposite momentum
What is the total momentum after a gun is fired and why? 0 kgm/s, because the bullet and gun recoil have equal and opposite momentums