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March 30, 2017

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The back wall of an auditorium is 29.0 m from the stage. If you are seated in the middle row, how much time elapses between a sound from the stage reaching your ear directly and the same sound reaching your ear after reflecting from the back wall?

  • Physic - ,

    0.29 m divided by the speed of sound.

    You are 14.5 m from the stage and back wall. The reflected wave from the back must make a round trip of 0.29 m before reaching you.

  • Physic - ,

    what is the speed of the sound

  • Physic - ,

    About 340 m/s in air at room temperature. If you are studying acoustics, you should know it by now.

    The subject is physics, not physic. Physic has another meaning.

  • Physic - ,

    i am not learning acoustics...but physics..sorry for the mis-spelling...i am sorry but i don't understand your approach

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