Subject: Hit-and-Rebound Collisions

Part B: Hit-and-Rebound Collisions Procedure 1. Vehicle 1 is the green data (the data on the left). Vehicle 2 is the orange data (the data on the right). Select the following constant values: Mass of Vehicle 1 = 2.00 kg, Mass of Vehicle 2 = 8.00 kg, and Velocity of Vehicle 2 Before = - 1.00 m/s. Record these values in the appropriate places in Table 4. They will be kept constant throughout this part of the activity. 2. Set the initial velocity of Vehicle 1 to + 1.00 m/s. Record the momentum of each vehicle before the collision in the appropriate place in Table 4. 3. Calculate the total momentum before the collision. Record this value in Table 4. 4. Click the Go button, and observe the motion of the vehicles. Record the values of the velocity, and momentum for each vehicle after the collision. 5. Repeat the previous 2 steps for Vehicle 1 velocities of + 2.00 m/s, + 4.00 m/s, and + 8.00 m/s.Table 4: Hit-and-Rebound Collisions Constant Values Mass of Vehicle 1: Mass of Vehicle 2: Velocity of Vehicle 2 Before: Before Collision After Collision Velocity Velocity Velocity Momentum Momentum Total Momentum Momentum Total of of of of Vehicle 1 of Vehicle 2 Momentum Vehicle 1 of Vehicle 1 of Vehicle 2 Momentum Vehicle 1 Vehicle 2 P'2 P'T V1 (m/s) P1 (kg-m/s) P2 (kg-m/s) Pr (kg-m/s) P'1 U'1 (m/s) U'2 (m/s) (kg.m/s) (kg-m/s) (kg-m/s) + 1.00 + 2.00 + 4.00 + 8.00Analysis 1. Calculate the total momentum after the collision to confirm the values generated for each trail. Show a calculation for velocity = + 2.00 m/s and +8.00 m/s. 2. For each trial, compare the total momentum before the collision with the total momentum after the collision. What trend do you notice? 3. Explain how two billiard balls colliding could be another example of a hit-and- rebound collision