science
Grade8
Easy
Question
A ball is thrown upwards. It moves upwards, reaches a certain height, and then starts falling. How does the direction of the momentum vector of the ball vary when the ball is moving upwards and then downwards?
- Upwards, downwards
- Downwards, upwards
- Downwards, upwards
- Downwards, upwards
The correct answer is: Upwards, downwards
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