alleryA body starts at 4 m/s and accelerates at 3 m/s squared over 14 m. What is its final speed?
A8 m/s
B10 m/s
C12 m/s
D16 m/s
Answer & Solution
Correct answer: B. 10 m/s
v squared = 16 + 2 x 3 x 14 = 100, so v = 10 m/s.
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