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A. 28 ms' B, 16 ms' C. 12 ms' D. 8 ms
A bird begins to accelerate at a constant 0.3 m/s' for 3 s, its change in
velocity is
A. 0.9 m/s B. 1.5 m/s C. 1.95 m/s
D. 2.4 m/s
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A car is going backwards at 5 m/s. After 10 s of uniform acceleration,
the car is going forward at 10 m/s. The acceleration is
A. 0.5 m/s B. 0.75 m/s C. 1.5 m/s
D. 5 m/s
The slope of distance time graph represents:
A. acceleration B. change in acceleration C. speed D. distance
The area under a speed-time graph represents:
A. acceleration B. change in acceleration C. distance D. velocity
for every
A student riding his bicycle on a straight flat road covers one block
every 7 seconds. If each block is 100m long, he is traveling