Calculating Speed (AQA GCSE Physics Combined Science): 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}}

Speed formula using symbols

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

Unit of distance

metres (m)

Symbol for distance

dd

Unit of speed

metres per second (m/s)

Symbol for speed

vv

Unit of time

seconds (s)

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 find first for average speed

total time and total distance

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