Now try these problems

MATHEMATICS · Subjective · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

Now try these problems. The answers are in Chapter 23, starting on page 517. 6. The motion of a particle is given by

x=-2 t^{2}

and

y=t^{3}-3 t+9, t \geq 0

. Find the coordinates of the particle when its instantaneous direction of motion is horizontal.