Two loudspeakers, A and B, are driven by the same amplifier and emit sinusoidal waves in phase. The frequency of the waves emitted by each speaker is 172 Hz. You are 8.00 m from speaker A. Take the speed of sound in air to be 344 m/s . Part A What is the closest you can be to speaker B and be at a point of perfectly destructive interference? Express your answer in meters. View Available Hint(s) for Part A Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value type