The displacement (in metres) of a body varies with time (in second) as

MATHEMATICS · Subjective · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

The displacement (in metres) of a body varies with time

t

(in second) as

x = t^2 - 2t - 3

. The displacement is zero for a positive value of

t

which is equal to 1A (A) 1s (B) 4 s (C) 3 s (D) 2 s