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

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Calculating Speed
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Formula for speed (words)

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

Formula for speed (symbols)

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

Unit of distance in speed formula

metres (m)

Unit of speed

metres per second (m/s)

Unit of time in speed formula

seconds (s)

Symbol for speed

vv

Symbol for distance in speed formula

dd

Symbol for time

tt

Steps to find average speed for non-uniform motion

Find total distance and total time, then apply the formula

Formula for average speed

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

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