# physics

in a experiment to measure the speed of sound in glass, a pulse of sound is sent into a glass rod, 14 m in length. the reflected sound is detected after 5.6 ms (0.0056 s). calculate the speed of sound in glass.

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1. d = r*t = 14
r = 14/t = 14/(0.0056/2) = 5000 m/s.

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posted by Henry

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