Calculating Speed (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards

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Calculating Speed
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Formula for speed (in words)

speed=distancetime\text{speed} = \frac{\text{distance}}{\text{time}}

Formula for speed (using symbols)

v=dtv = \frac{d}{t}

Unit for distance in speed formula

metres, m

Unit for speed in the formula

metres per second, m/s

Unit for time in speed formula

seconds, s

Symbol for speed

vv

Symbol for distance

dd

Symbol for time

tt

Formula for average speed

average speed=total distancetotal time\text{average speed} = \frac{\text{total distance}}{\text{total time}}

What to work out for average speed (non-uniform motion)

Total distance and total time

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