Acceleration
Acceleration is a change in velocity over a certain amount of time. The change can be slowing down, speeding up, and/or changing direction. Acceleration is a vector quantity so there is always a magnitude and direction. It is calculated by the change in velocity divided by the change in time.
Images: |
| This picture is showing that when the cart goes down the hill and back up, it is accelerating. This is because it is changing velocity when it speeds up, and when it slows down. |
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| This image shows acceleration because the speedometer changes speeds. The car was first going at a slower velocity then it sped up to go at a faster velocity. It is showing a change in velocity over time. |
Videos:
These videos explain acceleration.
More Information:
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