Physicshard · Past Paper
A particle starts from rest and moves with an acceleration that increases linearly with time as a = kt. The velocity after time 't' will be:
Akt^2
B1/2 kt^2
Ckt
D2kt^2
✓ Correct Answer: B — 1/2 kt^2
v = integral of a dt = integral of kt dt = 1/2 kt^2.
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