Momentum Practice Techniques Do the following problem in at least one of these two ways. Pick the one that you think will work better for you. A stationary 2200-kg car is rear-ended by a 4800-kg truck. Immediately after the collision, the car is moving forward at 9.4 m/s, and the truck is moving forward at 3.3 m/s. How fast was the truck moving before the collision? Data organizer You can use an organizer to keep track of momentum before and after in collision problems 1) Put in the data the problem gives you. 2) Fill in remaining cells using one of these processes: а. Use p=mv to relate mass, velocity, and momentum of a single object. b. Use ptot = P1 + P2 to relate individual object momentums to the total momentum at either time. C. As soon as you know the total momentum at one time, copy it to the other time. Car before Truck before Car after Truck after Mass Velocity Momentum (p = mv) %3D TOTAL Momentum Work space:

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