If string 4 is improperly tuned, so that it plays 5.2 Hz too low, what is the actual wave speed in the string? Do you need to increase or decrease the speed to get the note in tune? By how much must v change?
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please answer question #3
answer to first chart is in second image
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- can you help me finding the answer for this question please thank youNeeded in 10 minutes with hundreds percent accuracy pleaseTwo plane mirrors are at an angle of ?1 = 53.6° with each other as in the side view shown in the figure below. If a horizontal ray is incident on mirror 1, at what angle ?2 does the outgoing reflected ray make with the surface of mirror 2? Answer in degrees °