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| speed A scalar measure of the rate of movement of a body expressed either as the distance travelled divided by the time taken (average speed) or the rate of change of position with respect to time at a particular point (instantaneous speed). It is measured in metres per second, miles per hour, etc. | |||
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luas : 75 phrases in 14 subjects |
| Earth sciences | 12 |
| Economics | 5 |
| Electronics | 1 |
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| General | 9 |
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