What frequency note does the trumpeter hear her self playing

Reference no: EM13649549

A railroad flat car carrying a trumpet player is rolling toward youat 15m/s. You are stationary. You hear the trumpeter playing a notewith a frequency of 522Hz. It is a warm evening with an air temp of77 degrees F speed of sound in air is 331 m/s at 0 degrees C.

A. What frequency note does the trumpeter hear herself playing?

B. When the flat car passes your position you jump on your bike andstart riding in the opposite direction at 10 m/s. What frequencynote do you hear now?

Reference no: EM13649549

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