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Description
Flashcards by Jake Perkins, updated more than 1 year ago
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Created by Jake Perkins
over 8 years ago
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| Question | Answer |
| Speed is a measure... | ... of how fast a object is going. |
| The unit of Speed is... | ... meters per second (m/s) |
| The formula used to calculate it is called... | ... the speed distance time formula. |
| To calculate speed, you would... | s = d / t |
| What tells you the speed on distance-time graph? | The gradient of the line |
| An example of a distance-time graph... | |
| A John walks 10 m in 5 seconds, waits 5 seconds before crossing the road, the road is 12 m wide he walks that in 3 seconds, he walks another 20 m in 8 seconds. What was John's average speed? | S= d / t d = 10 + 12 + 20= 42 t = 5 + 5 + 3 + 8= 21 S= 42/21 =2 m/s |
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