The velocity of a particle moving along a line is given by meters per second for

MATHEMATICS · Single correct · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

The velocity of a particle moving along a line is given by

v(t)=3t^{2}-12t+7

meters per second for

1\le t\le 4

. What is the particle’s average velocity (in m/s) on this interval? (a)

-6

(b)

3.6

(c)

-2

(d)

\dfrac{5}{2}