Ask a New Question

What frequency is heard by

.Two automobiles are equipped with the same single-frequency horn. When one is at rest and the other is moving toward an
1. 1 answer
2. asked by Anonymous
3. 1,932 views
A person who was listening to a siren reported that the frequency of the sound fluctuated with time, measured in seconds. The
1. 0 answers
2. asked by John
3. 577 views
A bat moving with a speed of 3.55 m/s and emitting sound of 34.0 kHz approaches a moth at rest on a tree trunk. What frequency
1. 0 answers
2. asked by utl
3. 816 views
When two tuning forks are stuck simultaneously, 3 beats per second are heard. The frequency of one fork is 510 Hz. A piece of
1. 1 answer
2. asked by dallas
3. 1,009 views
A bat flying at 4.54 m/s emits a chirp at 115 kHz. If the pulse is reflected by a wall, what is the frequency (kHz) of the echo
1. 0 answers
2. asked by Anonymous
3. 863 views
Two cars, one in front of the other, are traveling down the highway at 25 m/s. The car behind sounds its horn, which has a
1. 0 answers
2. asked by Katie
3. 842 views
A baseball hits a car, breaking its window and triggering its alarm which sounds at a frequency of 1250 Hz. What frequency (in
1. 2 answers
2. asked by Tony
3. 2,959 views
A sound of constant frequency is produced by the siren on top of a firehouse. Compared to the frequency produced by the siren,
1. 1 answer
2. asked by Darren
3. 1,262 views
A car traveling 35.0 m/s overtakes another car going only 22.0 m/s. When the faster car is still behind the slower one, it
1. 1 answer
2. asked by Trace
3. 628 views
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
1. 1 answer
2. asked by Katherine
3. 864 views