A 100kg cart is moving at 2.3m/s. A machine has been designed to apply a force of 1200N over a distance of 0.52m as this cart passes by. How fast will the car now move? 3. The attempt at a solution I used a=fnet/m where fnet was 1200-0 so the answer I got was 2307.68 m/s^2. Is this right?