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PHYSICS

JAMB 2020 - Question 7

Physics 2020 JAMB Past Questions - Question 7: The diagram above shows the velocity-time graph of a vehicle. its acceleration and retardation respectively are

Use the diagram to answer question that follows

The diagram above shows the velocity-time graph of a vehicle. its acceleration and retardation respectively are

A: 8.0ms-² 4.0ms¯²

B: 4.0ms¯² 8.0ms¯²

C: 4.0ms¯² 2.0 ms¯²

D: 2.0ms¯² , 4.0ms¯²

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Correct Answer

Explanation

Acceleration = slope = AE/OE = 80/20 = 4m/s2
∴ acceleration and retardation = 4m/s2; 2m/s2