Area under a velocity-time graph gives distance travelled
2 marks · EasyA walker starts at 2 m/s and walks at this speed for 6 seconds, then stops instantly. Calculate the total distance travelled, and state which shape under the velocity–time graph you used.
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12 m (±0.5)
Common mistakes: Using wrong time interval; Forgetting area shape
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Marking points
M1 · 1 mark · Uses area formula for rectangle: distance = velocity × time.
A1 · 1 mark · Correct answer 12 m, noting 'rectangle'.
Worked solution
Area under the constant-velocity section is a rectangle:
Shape used: rectangle.