Thursday
March 26, 2015

Homework Help: Physics

Posted by Lydia on Tuesday, October 12, 2010 at 5:44pm.

The siren of a police car produces a sound of frequency 420Hz.A man sitting next to the road notices that the pitch of the sound changes as the car moves towards and then away from him.1- WRITE DOWN THE NAME OF THE PHENOMENON. 2-ASSUME THAT THE SPEED OF THE SOUND IN AIR IS 340m.s^-1. CALCULATE THE FREQUENCY OF THE SOUND OF THE SIREN OBSERVED BY THE MAN,WHEN THE CAR IS MOVING TOWARDS HIM AT A SPEED OF 16m.s^-1.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

PHYSICS-URGENT HELP - A stationary police car emits a sound of frequency 1200 Hz...
Physics - Question about doppler effect: How do you solve when it gives you ...
physical - You are driving along a highway at 27.7 m/s when you hear a siren. ...
physics - a car, moving at 100 mi/hr, passes a stationary police car whose siren...
physics - 1)As a sound source moves away from a stationary observer, the number ...
physics - 1)As a sound source moves away from a stationary observer, the number ...
physics - A police car, whose siren has a natural frequency of 620Hz, moves away...
physics - A car sounds its horn (502 Hz) as it approachs a pedestrian by the ...
PHYSICS - A CAR IS TRAVELING TOWARDS YOU AT 70.0 MI/H. THE CAR HORN PRODUCES A ...
physics - A speeding car is pulling away from a police car. The police car is ...

Members