Question

A motorcycle and a police car are moving toward one another. The police car emits sound with a frequency of 512 Hz and has a speed of 27.0 m/s. The motorcycle has a speed of 13 m/s. What frequency does the motorcyclist hear

Answer 1

Answer:

260Hz

Explanation:

V=frequency X wavelength

27=512 X wavelength

Wavelength=27/512

=0.0527

13=0.0527x Freq

Freq=13/0.0527

=260Hz