The displacement of a body moving in a straight line is given by (in metres)

MATHEMATICS · Subjective · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

The displacement of a body moving in a straight line is given by

x(t)=3t^{2}+2t

(in metres), where

t

is in seconds. Calculate its instantaneous velocity at

t = 4\,\text{s}