Physicsmedium · Past Paper
How long will it take for a car to increase its speed from 36 km/h to 72 km/h with an acceleration of 2 m/s^2?
A5 s
B18 s
C10 s
D2 s
✓ Correct Answer: A — 5 s
u = 10 m/s, v = 20 m/s. t = (20 - 10) / 2 = 5 s.
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