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