A sound wave travels out uniformly in all directions from
Chapter , Problem 102(choose chapter or problem)
A sound wave travels out uniformly in all directions from a point source. (a) Justify the following expression for the displacement s of the transmitting medium at any distance r from the source: s # b r sin k(r $ vt), where b is a constant. Consider the speed, direction of propagation, periodicity, and intensity of the wave. (b) What is the dimension of the constant b?
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