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

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Calculating Speed
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What is the formula for calculating speed?

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

What is the unit for speed in the formula v=dtv = \frac{d}{t}?

metres per second (m/s)

What is the unit for distance in the speed formula?

metres (m)

What is the unit for time in the speed formula?

seconds (s)

A car travels 100 m in 20 s. What is its speed?

5 m/s

To find distance, how do you rearrange v=dtv = \frac{d}{t}?

d=v×td = v \times t

To find time, how do you rearrange v=dtv = \frac{d}{t}?

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

What is the formula for average speed?

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

What two values do you need to calculate average speed?

Total distance and total time

An object travels 300 m in 60 s. Calculate its speed.

5 m/s

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