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A 10 N force acts on a 5 kg body at rest for 3 s. Final speed?
A0.6 m/s
B15 m/s
C6 m/s
D50 m/s
Answer & Solution
Correct answer: C. 6 m/s
a = 10/5 = 2 m/s², so v = at = 2 x 3 = 6 m/s.
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