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A cyclist moving at 10 m/s accelerates uniformly at 2 m/s^2 for 4 s. What is the final speed?
A12 m/s
B14 m/s
C16 m/s
D18 m/s
Answer & Solution
Correct answer: D. 18 m/s
v = u + at = 10 + 2 x 4 = 18 m/s.
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