Momentum

Description

AS level Physics (GCSE) Flashcards on Momentum, created by Sarah Collinson on 01/05/2016.
Sarah Collinson
Flashcards by Sarah Collinson, updated more than 1 year ago
Sarah Collinson
Created by Sarah Collinson over 8 years ago
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Resource summary

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
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