1
Q
Distance-time graph
A
A graph showing how something is moving in space and time. It can be used to calculate speed.
2
Q
Speed
A
Speed is how far something moves in a certain amount of time. Speed=distance divided by time.
3
Q
Average speed
A
This is the average speed of an object over a long period of time.
4
Q
Reaction time
A
This is how quickly you can react to an event.
5
Q
Acceleration
A
This is how much something changes speed over a certain period of time.
Biology
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