Each of the sources in the drawing emits a frequency of 4.57 multiplied by 1014 Hz, and the speed v is 2.50 106 m/s.
(b) Calculate the observed frequency fo in situation A. fo = ? UNIT?
(c) Calculate the observed frequency fo in situation B. fo = ? UNIT?
(d) Calculate the observed frequency fo in situation C. fo =? UNIT?