Distance-time graphs
2 marks · EasyA snail travels at an average speed of 0.02 m/s. How far does it travel in 3 minutes? Give your answer in metres.
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Show answer
3.6 m (±0.1)
Common mistakes: Not converting minutes to seconds
Show mark scheme and worked solution
Marking points
M1 · 1 mark · Converts time to seconds and substitutes values into distance = speed × time.
A1 · 1 mark · Calculates correct value 3.6 m, with or without unit. (follow-through)
Worked solution
3 minutes = 3 × 60 = 180 s
distance = speed × time = 0.02 × 180 = 3.6 m