IF PARTICLE STARTS FROM INITIAL VELOCITY u SUCH THAT RETARDATION IS EQUAL TO kv , WHERE k> 0 AND v IS VELOCITY AT ANY TIME. THEN THE PARTICLE COMES TO REST AT WHAT TIME ?
IF PARTICLE STARTS FROM INITIAL VELOCITY u SUCH THAT RETARDATION IS EQUAL TO kv , WHERE k> 0 AND v IS VELOCITY AT ANY TIME. THEN THE PARTICLE COMES TO REST AT WHAT TIME ?











