Question

3. A body of mass 3 kg is moving along a straight
line with a velocity of 24 ms-1. When it is at a
point 'P' a force of 9 N acts on the body in a
direction opposite to its motion. The time after
which it will be at 'P' again is,
1) 8s 2) 168 3) 128 4) 249
​

Answer 1

Answer:

maybe 128 not sure about it