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| Time that Period! Student Worksheet |
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Name_______________________Date______Per./Mod______
- Each student is responsible for creating a line plot of amplitude of each swing versus mean time it takes to make that swing on his or her own graph paper.
- Once you plot the data you have the "picture" of the period.
- Your guess of that period is
- How would the results be different if instead of a string 30 cm long, we used 10 cm string?
How about a string 100 cm long?
- Summarize the relationship that you may see with time or swings and the use of different length string.
- This relationship is actually defined by certain laws of physics. These laws let us say that the period is equal to
Where g is the acceleration due to gravity (here on Earth it has a value of 9.8 m/sec2.), L is the length of the pendulum string from where it is tied at the top to where the center of mass is of the tied object, and pi = 3.14.
Does your guessed period in question 3 confirm this? Prove this by showing your work below.
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