EXPERIMENT 12.ANGULAR MOMENTUM2. Change the label on the ”velocity” column to ”Angular velocity of bar 1” or similar.Plot this versus time.3. Identify the time in the middle of the interval over which the angular collision occurred.There should be a rapid change in the values of the plot over the interval associatedwith the collision.4. Create a new manual column for the angular velocity of bar 2.Set the value of allthe cells before the collision time to zero. For the cells after the collision the disk wasmoving at the same angular speed as bar 1, so copy in the value of the cells fromthe column for angular velocity of bar 1. In reality the second bar slowly spun up asthe first spun down, but since we aren’t able to measure the speed of the second bardirectly, we have to do this type of estimation, and then we’ll ignore the data pointsthat occur during the interval where the bars speeds are changing.
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