what is the frequency of the whistle is
A boy is walking away from a well at a speed of 1.0m/s in a direction at right angles to the wall. As he walks, he below a whistle steadily. An observer towards whom the boy is walking hears 4.0 beats per second. If the speed of sound is 340m/s , what is the frequency of the whistle is
29
Oct
A boy is walking away from a well at a speed of 1.0m/s in a direction at right angles to the wall. As he walks, he below a whistle steadily. An observer towards whom the boy is walking hears 4.0 beats per second. If the speed of sound is 340m/s , what is the frequency [...]