A copper rod at 25°C is 1.5 m long. How long would it take a sound to move through the rod from one end to another? how would I do this?

Question

Physics

Moriah Rodriguez

9 March, 01:21

A copper rod at 25°C is 1.5 m long. How long would it take a sound to move through the rod from one end to another? how would I do this?

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Answers (1)

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Martha Cardenas · Answer 1

Speed of sound in copper at normal temperature (293.15 K) is:

v = 3,570 m / s

L = 1.5 m

t = L / v = 1.5 m / 3,570 m/s

t = 0.00042 s = 4.2 * 10^ (-4) s