physlab3 - Rolling Velocity and Acceleration Anthony...

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Rolling Velocity and Acceleration Anthony Petrillo 22 September 2011 This lab demonstrated how velocity and acceleration relate to each other. We measured the time it took a marble to roll a given distance and then measured the time at different one meter intervals. With this data we calculated velocities and average acceleration. Doing these calculations allowed us to apply skills learned in class and allowed us to see the principles we discussed in action. We expected that the marble would slow down as is moved across the floor so that it would have a positive velocity but a negative acceleration. Data Change in Time Over a Distance of 4m *The time recorded as 3.99s was omitted from calculations as an extreme value. Change in Time for Specific 1m Intervals
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Analysis It should be noted that the ramp the marble was rolled off of was at an incline of 14 degrees.
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Conclusion Average speed is calculated by dividing distance by time and is expressed in the derived unit m/s. Acceleration is calculated by dividing change in velocity by change in
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physlab3 - Rolling Velocity and Acceleration Anthony...

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