A 4800-kg truck traveling with a velocity of +4.0 m/s collides head-on with a 1200-kg car have traveling with a velocity of -12 m/s. The truck and car entangle and move together after the collision. Fill in the before- and after-collision table below. Momentum Before Collision Momentum After Collision Momentum Change Truck 4ms -12ms Total -8 Determine the veloaty of the truck and car immediately after the collision PSYW