each propagates in a gas with velocity 30m/s We expect the following number of beats per second:

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Two sound waves with wavelengths 5.0 m and 5.5 m respectively, each propagates in a gas with velocity 30m/s We expect the following number of beats per second:
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Two sound waves with wavelengths 5.0 m and 5.5 m respectively, each propagates in a gas with velocity 30m/s We expect the following number of beats per second: each propagates in a gas with velocity 30m/s We expect the following number of beats per second: Two sound waves with wavelengths 5.0 m and 5.5 m [...]
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