Sorry, I posted this with the wrong equation instructions just a few minutes ago

Question

Sorry, I posted this with the wrong equation instructions just a few minutes ago. My professor wants us to use equations for waves and sound in order to complete this problem. If someone could help walk me through the process, I would greatly appreciate it.

One of the most annoying things about softball tournaments is when teams chant because it just well annoying. If one of the 12 year old girls can lead a chant by yelling with a t 68 dB, how loud will it be when 12 of her teammates respond simultaneously. (Assume they all yell at 68 dB).

Explanation / Answer

If all of them (12+1) yell at the sam time and same word, if they yell in UNISON, the effective energy will combine co -herently, theaverage amplitude will grow (12+1) fold.

The Decible level wil increase 10log2

So 13 user together will have = 104.123 dB

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