# Momentum

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• Created by: Emily1
• Created on: 26-06-13 21:12
A suitcase travels on a conveyor belt. What happens to its momentum if the belt speeds up?
It increases
1 of 8
What happens to the suitcase's momentum if the conveyor belt goes round a corner?
It changes
2 of 8
What is the momentum of a 2 kg object travelling at 4 m/s?
8 kg m/s
3 of 8
A 5 kg object has a momentum of 10 kg m/s. How fast is it travelling?
2 m/s
4 of 8
An object with a momentum of 12 kg m/s is travelling at 3 m/s. What is its mass?
12 ÷ 3 = 4 kg
5 of 8
What happens to the total momentum of a firework when it explodes?
Total momentum is conserved in an explosion.
6 of 8
A 3 kg trolley travelling at 2 m/s hits an identical but stationary trolley. They stick and move off together.
The new speed is 1 m/s
7 of 8
Trolley A is 4 kg and moving at 3 m/s. It hits Trolley B, which is 2 kg but stationary.
If only Trolley B moves after the collision, it travels at 6 m/s.
8 of 8

## Other cards in this set

### Card 2

#### Front

What happens to the suitcase's momentum if the conveyor belt goes round a corner?

It changes

### Card 3

#### Front

What is the momentum of a 2 kg object travelling at 4 m/s?

### Card 4

#### Front

A 5 kg object has a momentum of 10 kg m/s. How fast is it travelling?

### Card 5

#### Front

An object with a momentum of 12 kg m/s is travelling at 3 m/s. What is its mass?