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course Phy 121
1/30 11
The problem:Answer the following:
• How accurately do you think you can measure the time between two events using the TIMER program?
answer/question/discussion (start in the next line):
I believe I could accurately measure these times to the .5 second.
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• What is the shortest time interval you think you would be able to measure with reasonable accuracy?
answer/question/discussion (start in the next line):
The shortest time interval I think I could measure with accuracy would be 1s.
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• How does the percent error in timing intervals change as the time between the events gets smaller?
answer/question/discussion (start in the next line):
The smaller the intervals, the quicker one has to react to the timer.
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• How accurately are you able to measure the positions of the ball and the pendulum in the initial video?
answer/question/discussion (start in the next line):
I believe I was able to measure those fairly accurately since I could pause the video and examine it.
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Good work. Let me know if you have questions.