miah
In the following equation T=2π√L/32
l stands for the length of the string in feet. Convert your 5 string
lengths into feet by dividing by 12 (12 inches = 1 foot). Then, substitute each of these values into the given equation and solve for T (time for one period). Use 3.14 for π.
8 sec
6 sec
5 sec
6 sec
7 sec
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miah
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@Mertsj
Mertsj
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What 5 string lengths? I only see time measurements?
miah
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(1 1/2 ft)
(1 ft)
(2 ft)
(1ft)
(3ft)
miah
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???
Mertsj
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So you have already converted them to feet correctly, I will assume.
Mertsj
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|dw:1365085395356:dw|
Mertsj
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Do I have the formula right?
Mertsj
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Is it:
\[T=\frac{2\pi \sqrt{L}}{32}`or` 2\pi \sqrt{\frac{L}{32}}\]
miah
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the 2nd one
miah
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the second one is right
Mertsj
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So did you get 1.36 seconds for your first answer?
miah
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uhm,. i guess
Mertsj
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You can actually take
\[\frac{2\pi}{\sqrt{32}}=\frac{6.28}{5.66}=1.11\]
Mertsj
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and multiply each of your string lengths by that constant to get the time
miah
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so what would the second one be ?
Mertsj
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What did you get?