A particle of mass is subjected to a force

PHYSICS · Numerical · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A particle of mass

0.3\,\text{kg}

is subjected to a force

F=-kx

, where

k=15\,\text{N/m}

. What is its initial acceleration if it is released from a point

20\,\text{cm}

away from the origin?