Distance-time graphs
1 mark · NormalState the SI unit for speed.
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metres per second; m/s
Must show: m/s or metres per second
Also accept: m s⁻¹; meters per second
Common mistakes: km/h
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Marking points
B1 · 1 mark · Correct unit given: m/s or metres per second.
Worked solution
SI unit for speed is m/s (metres per second).