alleryA car at 20 m/s brakes at 4 m/s squared to a stop. What is the braking distance?
A40 m
B80 m
C50 m
D100 m
Answer & Solution
Correct answer: C. 50 m
From v squared = u squared - 2as with v = 0, s = 400 / 8 = 50 m.
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