October 10, 2015

Homework Help: Physics

Posted by Katherine on Monday, July 22, 2013 at 8:31pm.

A man driving a car toward a large vertical wal sounds his horn. The car is traveling at 81 km/h. The echo off the wall is heard by the man at a frequency of 958 Hz. What is the frequency of the car's horn?

Answer this Question

First Name:
School Subject:

Related Questions

More Related Questions