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# Need Help on this AS Physics Question watch

1. Um I don't know if I'm just being stupid, but the distance-time graph here is a curve:
I know how to calculate speed from a distance-time graph (v=x/t), but I don't understand how I'm supposed to calculate average speed from a curve. Could someone please explain? Thanks!
2. The average speed is calculated by the total distance/total time. This way, it doesn't matter if the speed is not constant (like your graph).
3. speed=distance/time.
4. (Original post by project_legacy)
The average speed is calculated by the total distance/total time. This way, it doesn't matter if the speed is not constant (like your graph).
Thanks, I understand this properly now!

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Updated: November 8, 2015
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