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Author Question: Two stereo speakers mounted 4.52 m apart on a wall emit identical sound waves. You are standing at ... (Read 87 times)

Lobcity

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on: Oct 11, 2019

Question 1

A violin with string length 32 cm and string density resonates in its fundamental with the first overtone of a 2.0-m organ pipe with one end closed and one end open. What is the tension in the string if the speed of sound in air is 344 m/s?
◦ 56 N
◦ 1000 N
◦ 110 N
◦ 450 N
◦ 4100 N

Question 2

Two stereo speakers mounted 4.52 m apart on a wall emit identical sound waves. You are standing at the opposite wall of the room at a point directly between the two speakers. You walk 2.11 m parallel to the wall, to a location where you first notice that the sound intensity is essentially zero. If the wall along which you are walking is from the wall with the speakers, what is the wavelength of the sound waves? The walls are cushioned to absorb sound reflections.
◦ 2.05 m
◦ 1.71 m
◦ 2.91 m
◦ 2.57 m
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Marked as best answer by Lobcity on Oct 11, 2019

Toya9913

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Reply #1 on: Oct 11, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Lobcity

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Reply 2 on: Oct 11, 2019
Thanks for the timely response, appreciate it

helenmarkerine

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Reply 3 on: Yesterday
Gracias!

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