The velocity of a particle moving in a straight line is decreasing at the rate of per…

PHYSICS · Subjective · ISC · Physics · Kinematics · Kinematics

Problem

The velocity of a particle moving in a straight line is decreasing at the rate of

3\text{ m s}^{-1}

per metre of displacement at an instant when the velocity is

10\text{ m s}^{-1}

. Determine the acceleration of the particle at this instant.