Measuring Speed (AQA GCSE Physics): Flashcards

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Measuring Speed
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Is speed typically constant for moving objects?

No, rarely constant

Typical speed of wind

5−7extm/s5-7 ext{ m/s}

Typical speed of sound

330extm/s330 ext{ m/s}

Typical walking speed

sim1.5extm/ssim 1.5 ext{ m/s}

Typical running speed

sim3extm/ssim 3 ext{ m/s}

Typical cycling speed

sim6extm/ssim 6 ext{ m/s}

Typical speed of a bus

14extkm/h14 ext{ km/h}

Typical speed of a train

125extmiles/h125 ext{ miles/h}

Typical speed of a plane

900extkm/h900 ext{ km/h}

Units for measuring distance

mm, cm, m, km

Units for measuring time

ms, s, mins, hours

Choosing units for measurements

Use appropriate units depending on lengths involved

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