Question

We know from experience that the Doppler shift of sound from a moving car is easily...

We know from experience that the Doppler shift of sound from a moving car is easily detectable. Assuming light with a frequency of 9×1014 Hz, calculate the Doppler shift (the difference of the observed and emitted frequencies) for light from a car moving toward you at a speed of 220 m/s.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
We know from experience that the Doppler shift of sound from a moving car is easily...
We know from experience that the Doppler shift of sound from a moving car is easily detectable. Assuming light with a frequency of 9×1014 Hz, calculate the Doppler shift (the difference of the observed and emitted frequencies) for light from a car moving toward you at a speed of 220 m/s.
The frequency will sound different if we hear a sound source moving relative to us. This...
The frequency will sound different if we hear a sound source moving relative to us. This phenomenon is called the Doppler Effect in Physics. An ambulance sounds a siren at 1515 Hz and passes a cyclist moving at 2.12 m / s. After the ambulance passed, the cyclist heard a siren sound at a frequency of 1501 Hz. The speed of sound in the air is about 343 m / s. What is the speed (speed) of the ambulance in...
Doppler ultrasound is used to measure the speed of blood flow. The reflected sound interferes with...
Doppler ultrasound is used to measure the speed of blood flow. The reflected sound interferes with the emitted sound, producing beats. If the speed of red blood cells is 0.100 m/s, the ultrasound frequency used is 3.80 MHz, and the speed of sound in blood is 1570 m/s, what is the beat frequency? If the speed of the red blood cells is v, the speed of sound in blood is u, the ultrasound source emits waves of frequency f, and...
An ambulance with a 200-Hz siren is moving at 30.0 m/s. Take the speed of sound...
An ambulance with a 200-Hz siren is moving at 30.0 m/s. Take the speed of sound to be 340 m/s. a) What frequencies are observed by a stationary person standing on the sidewalk as the ambulance approaches and after it passes? b) Is this Doppler shift real or just a sensory illusion?
Consider a spiral galaxy that is moving directly away from Earth with a speed V =...
Consider a spiral galaxy that is moving directly away from Earth with a speed V = 3.040×105 m/s at its center, as shown in the figure(Figure 1). The galaxy is also rotating about its center, so that points in its spiral arms are moving with a speed v = 6.650×105 m/s relative to the center. If light with a frequency of 8.213×1014 Hz is emitted in both arms of the galaxy, what frequency is detected by astronomers observing the arm...
The Doppler shift was first tested in 1845 by the French scientist B. Ballot. He had...
The Doppler shift was first tested in 1845 by the French scientist B. Ballot. He had a trumpet player sound a 422 Hz note while riding on a flat-car pulled by a locomotive. At the same time, a stationary trumpeter played the same note. Ballot heard 3 beats/s. How fast was the train moving toward him? The speed of sound in air is 343 m/s. Answer in units of m/s.
Doppler Effect: 1. A stationary police officer using a speed “radar detector” sends a signal with...
Doppler Effect: 1. A stationary police officer using a speed “radar detector” sends a signal with a frequency of 100,000 Hz. The speed of sound is 340 m/s. What is the wavelength of the (ultra) sound wave produced by the detector? The sound wave reflects off a vehicle moving toward the officer. How does the frequency of the reflected sound wave (as recorded by the detector) compare to the original sound wave? 2. The light waves from a distance start...
2. A moving police car plays a sound with constant frequency f0. The police car moves...
2. A moving police car plays a sound with constant frequency f0. The police car moves from the stationary observer on the right, R, towards the stationary observer on the left, L. How does the frequency, fL , observed by the observer on the left compare to the frequency, fR , observed on the right? (a) fL > fR (b) fL < fR (c) fL = fR 3. A speaker at rest plays a sound with constant frequency f0 near...
A race car is traveling towards you and you hear a sound of frequency 4072 Hz...
A race car is traveling towards you and you hear a sound of frequency 4072 Hz while the car is traveling towards you. Then the car shoots by you and as the car is traveling away from you, you hear a frequency of 2774 Hz. The car is moving at a constant speed during the whole time you hear these two frequencies, what is the speed (in m/s) of the car
The sound from the whistle of a truck is 2500 Hz. The truck is moving at...
The sound from the whistle of a truck is 2500 Hz. The truck is moving at 30.0 m/s toward a building, which reflects the sound and is heard by the driver of the truck. As heard by the driver of the truck, how much does the frequency change from the original frequency of the whistle? The speed of sound is 340 m/s.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT