The velocity of a particle is given by (in )

MATHEMATICS · Single correct · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

The velocity of a particle is given by

v(t)=3 t^{2}-2 t+4

(in

\text{m s}^{-1}

). Calculate the instantaneous acceleration at

t = 2\,\text{s}

. (a)

14\,\text{m s}^{-2}

(b)

10\,\text{m s}^{-2}

(c)

12\,\text{m s}^{-2}

(d)

8\,\text{m s}^{-2}