Q1 a demented scientist creates the new temperature scale, Ask an Expert

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Q1. A demented scientist creates the new temperature scale, the "Z scale." He decides to call the boiling point of nitrogen 0 and melting point of steel 1000.

Q2. Two speakers, one straight behind the other, are each generating a 285 Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Suppose that the speed of sound is 387 m/s.

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