Question

1 P moist - 1.21 p 1
A police car travels towards a statione
observer at a speed of 15 m/s. The si
on the car emits a sound of frequency 250
Hz. Calculate the recorded frequency
The speed of sound is 340 m/s.
[Ans : 261.54 Hz]​

Answer 1

Answer:

261.54Hz

Explanation:

because of traveling time

261.54Hz

great question

Answer 2

Answer:

Explanation:

N(v/v-v1)

250(340/325)

=261.54