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Illustrative example1 / 2 marks

A cyclist travels 120 m in 20 s. Calculate the average speed.

Your answerSpeed = distance ÷ time = 120 ÷ 20 = 60 m/s.

✓ Method understood

You chose the correct relationship: speed = distance ÷ time.

− Check the calculation

120 ÷ 20 = 6, so the average speed is 6 m/s.

Show explanation

Average speed tells us the distance travelled each second. Dividing 120 metres by 20 seconds gives 6 metres per second. Check by multiplying back: 6 × 20 = 120.

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