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777dan777 [17]
2 years ago
13

If the length of one side of a square is 12.0 m, what is the perimeter of the square?

Physics
1 answer:
jolli1 [7]2 years ago
3 0
Perimeter of the square = 4 * side
                                      = 4 * 12
                                        = 48 m Ans
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Which of the following wavelengths will produce standing waves on a string that is 3.5 m long?
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\lambda=\frac{2}{n} L


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\lambda=\frac{2}{1} \cdot 3.5 m=7.0 m


The wavelength of the 2nd harmonic is:

\lambda=\frac{2}{2} \cdot 3.5 m=3.5 m


The wavelength of the 4th harmonic is:

\lambda=\frac{2}{4} \cdot 3.5 m=1.75 m


It is not possible to find any integer n such that \lambda=5 m, therefore the correct options are A, B and D.

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