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A scooter starts from rest and reaches 20 m/s with a uniform acceleration of 5 m/s^2. What distance does it cover meanwhile?
A20 m
B30 m
C50 m
D40 m
Answer & Solution
Correct answer: D. 40 m
From v^2 = u^2 + 2as, s = 400/(2 x 5) = 40 m.
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