A car accelerates uniformly from 10 m/s to 30 m/s in 5 s. Its acceleration is
A2 m/s²
B4 m/s²CORRECT
C5 m/s²
D8 m/s²
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Why the answer is B, and why the others tempt you.
a = (v-u)/t = (30-10)/5 = 4 m/s².
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