## Momentum Answers

## 1. What is the equation used to calculate momentum?

## Momentum = mass x velocity

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## 2. What are the units for momentum?

## Kg m/s

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## 3. If a ball with a mass of 2 kilograms is moving at 8 metres per second, what is its momentum?

## 16 kg m/s

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## 4. If an object with a mass of 27 kilograms is moving at 14 metres per second, what is its momentum?

## 378 kg m/s

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## 5. True or false? change in momentum = force x time

## True

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## 6. What is the momentum of a 70 kg person running at 5 m/s?

## 350 kg m/s

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## 7. A person is walking at 2 m/s and has a mass of 60 kg, what is their momentum?

## 120 kg m/s

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## 8. What is the momentum of a 12 kg dog running at 4 m/s?

## 48 kg m/s

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## 9. True or false? Momentum is a vector quantity

## True

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## 10. A 1400 kg car is travelling at 15m/s, what is its momentum?

## 210,000 kg m/s

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