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JAMB Physics 2010 Question 3

Question 3

Motion

The diagram above shows a velocity-time graph. The statement that is true about this motion is that, the car

Diagram for this question
  1. A.decelerates between points F and H.
  2. B.accelerates between points F and G.
  3. C.has a constant speed between points E and F.
  4. D.has no acceleration between point F and G.
Show the answer and explanation

Answer: D (has no acceleration between point F and G.)

Explanation

Between F and G the graph is horizontal, so the velocity does not change and the acceleration is zero. E to F is acceleration and G to H is deceleration.