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Help with theee 2 questions plsss? The back wall of an auditorium is 26 m from the stage. If you are seated in the middle

Help with theee 2 questions plsss?

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The back wall of an auditorium is 26 m from the stage. If you are seated in the middle row, how much time elapses between a sound from the stage reaching your directly and the same sound reaching your ear after reflecting from the back wall? 5. The sound intensity of someone speaking to you in a normal tone of voice is about 1.0x10 W/m2. How much energy is delivered to your eardrum each section? Assume a diameter of 8 mm for the eardrum

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