Question

A source of sound S emitting waves of frequency
100 Hz and an observer O are located at some
distance from each other. The source is movina
with a speed of 19.4 ms-1 at an angle of 60° with
the source observer line as shown in the figure. The
observer is at rest. The apparent frequency
observed by the observer (velocity of sound in air
330 ms-), is
​

Answer 1

Answer:103 Hz

Explanation:see attachment...