Calculating Speed (AQA GCSE Physics): Flashcards

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Calculating Speed
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Formula for speed (in words)

distance divided by time

Formula for speed (symbols)

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

Symbol for speed in formula

vv

Symbol for time in formula

tt

Symbol for distance

ss or dd

Unit for distance

metres (m)

Unit for speed

metres per second (m/s)

Unit for time

seconds (s)

Average speed formula (words)

total distance divided by total time

Average speed formula

total distancetotal time\frac{\text{total distance}}{\text{total time}}

Steps to find average speed

  1. Work out total time and total distance 2. Use the formula

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