anonymous
  • anonymous
A 1.5 m solid iron rod is at 25 degrees Celsius. How long would it take sound to move through the rod from one end to another? **will draw table inside!! A. 4.5 * 10^-3 s B. 9.8 * 10^-4 s C. 4.2 * 10^-4 s D. 2.9 * 10^-4 s
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1434871683850:dw|
Michele_Laino
  • Michele_Laino
here we have to apply this formula: \[\Large t = \frac{L}{v} = \frac{{1.5}}{{5130}} = ...{\text{seconds}}\]
anonymous
  • anonymous
we get 2.9E-4 choice D is our solution?

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Michele_Laino
  • Michele_Laino
that's right!
anonymous
  • anonymous
yay! thanks so much!!:D
Michele_Laino
  • Michele_Laino
:D

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