Physicsmedium · Past Paper
A body is moving in a straight line with constant acceleration. If its velocity changes from 10 m/s to 20 m/s in covering 150m, what is the acceleration?
A1 m/s^2
B2 m/s^2
C0.5 m/s^2
D1.5 m/s^2
✓ Correct Answer: A — 1 m/s^2
v^2 = u^2 + 2as => 400 = 100 + 300a => 300 = 300a => a = 1 m/s^2.
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