What is the acceleration of a particle whose motion is graphically displayed in the diagram above

JAMB 1980

What is the acceleration of a particle whose motion is graphically displayed in the diagram above

• A. 0.67ms^-2
• B. 0.83ms^-2
• C. 0.87ms^-2
• D. 92ms^-2
• E. 2.0ms^-2

Correct Answer: Option A

Explanation

If you have the standard question with correct graph, trace the graph and you will arrive at the correct answer;

Acceleration=The slope of the graph

Acceleration (a)=∆V/∆t

a=(8.7-2)/10 =0.67ms^-2

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