A bumblebee darts past at 3 m/s. The frequency of the hum made by its wings is 152 Hz. Assume the speed of sound to be 342 m/s. The observed frequency of the hum will be 152 Hz as the bumblebee flies away from you.
Answers
Answered by
0
Answer:
A siren emitting a sound of frequency 2000 Hz moves away from you towards a cliff at a speed of 8 m/s. <br> (a) What is the frequency of the sound you hear coming directly from the siren. <br> (b) What is the frequency of sound you hear reflected off the cliff. Speed of sound in air is `330(m)/(s)`.
Similar questions