Question

12.
The acceleration 'a' of a particle in m/s2 is given by
a = 18t²+ 36t + 120. If the particle starts from
rest, then velocity at end of 1 s is
(1) 122 m/s
(2) 140 m/s
(3) 144 m/s
(4) 120 m/s​

Answer 1

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