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JAMB Physics 1987 Question 3

Question 3

Motion

The velocity-time graph above describes the motion of a particle between two points P and Q. What is the distance between P and Q?

Diagram for this question
  1. A.17.0 m
  2. B.18.0 m
  3. C.22.5 m
  4. D.30.0 m
Show the answer and explanation

Answer: B (18.0 m)

Explanation

Distance = area under the graph: ½ × 1 × 4 + ½(4 + 6) × 1 + 6 × 1.5 + ½(6 + 2) × 0.5 = 2 + 5 + 9 + 2 = 18 m.