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Question 7

A probe vibrating at 900 Hz sends sound through the air and into an acrylic block. In the acrylic, the wavelength of the sound is 3.0 m.

What is the speed of the sound in the acrylic?

[1]
A

300 m/s300\ \mathrm{m/s}300 m/s

B

900 m/s900\ \mathrm{m/s}900 m/s

C

2700 m/s2700\ \mathrm{m/s}2700 m/s

D

0.0033 m/s0.0033\ \mathrm{m/s}0.0033 m/s

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4 Waves Questions

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