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Q.

Motion of a particle is given by equation g = (3t3 + 1t2 + 14t + 8) m. The value of acceleration of the particle at t = 1 sec is :

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a

10 m/s2

b

32m/s2

c

23 m/s2

d

16 m/s2

answer is B.

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Detailed Solution

Acceleration a =dvdt=d2Sdt2=18t+14.At =t =1s, a2=32m/s2
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