A speeder tries to explain to the police that the yellow warning lights she was approaching on the side of the road looked green to her because of the Doppler shift. How fast would she have beentraveling if yellow light of wavelength 576.6 nm had been shifted to green with a wavelength of 564.2 nm? Note: For speeds less than 0.03c, the equation below will lead to a value for the observedfrequency accurate to approximately two significant digits.fo=fs(1+4)m/sif u < c

The yellow light has wavelength = 576.6 nmThe frequency of the yellow light HzThe green light has…

Answered: A speeder tries to explain to the…

Similar questions

Aliens slowing down to observe Earth often are distracted by lighthouses. As aliens pass Earth in their spaceship they notice a lighthouse completes its circuit once every 7.0 s, however the lighthouse attendant has set the lighthouse to complete its circuit every 5.3 s from his point of view. How fast is the alien spaceship traveling in terms of the speed of light? c
A navigational beacon in deep space broadcasts at a radio frequency of 47 MHz. A spaceship approaches the beacon with a relative velocity of 0.31c. What is the frequency in Megahertz of the beacon radio signal that is detected on the ship?
An electromagnetic wave of frequency 4.4 x 1012 Hz propagates with speed 0.89c. Calculate the wavelength, in mm. Use two significant figures in your answer.
One of the wavelengths of light emitted by hydrogen atoms under normal laboratory conditions is l = 656.3 nm, in the red portion of the electromagnetic spectrum. In the light emitted from a distant galaxy this same spectral line is observed to be Doppler-shifted to l = 953.4 nm, in the infrared portion of the spectrum. How fast are the emitting atoms moving relative to the earth? Are they approaching the earth or receding from it?
Two cars A & B are driving away from each other and sounding their horns. You are the driver of car B which is travelling at a speed of 23.6m/s and you measured the horn of the other car to be sounded at 885HZ, which is travelling at a speed of 27.9m/s. Speed of sound is 340m/s. Calculate the following: a) Speed of the observer in m/s %3D (0.5 mark) b) Speed of the source in m/s %3D (0.5 mark) c) frequency of the source (original) in hertz (1.5 mark) d) How much does the frequency of the source decreased (A) in hertz =
Consider a pulse of laser light aimed at the moon that bounces back to Earth. The distance between Earth and the moon is 3.8x108m. What is the round trip time for the light travel? (ans. 0.395s) The nearest Star beyond the sun is Alpha Centauri, which is 4.2x1016m away. If we were to recieve a radio message from this star today, how long ago(in years) was it sent? (ans. 4.44 years) Show work
Assume that when I was 30 years old, I invented a spaceship capable of traveling at 95% of the speed of light, and take off to survey a peculiar infrared star 10 light years from earth. My daughter is 2 years old when I leave earth. I calculate that I age 20 years on my mission. A. while traveling to the star at 95% of the speed of light, I measure the wavelength of its light at 450 nm. What is the actual wavelength of the star's light? B. I turn around and head back to earth at 95% of the speed of light. WHat is the wavelength I see and I move away from the star? C. From my daughter prespective, how old is she when I return?
Answer part D and E.
Astronomers determine that a particular star in our galaxy is moving toward Earth at a speed of 716.0 km/s with respect to the Earth. If Earth receives a wavelength ? = 689.6 nm from this star, what was the wavelength emitted by the star?
A spaceship measures bright flashes of light from a distant star. The spacecraft now heads toward the star at 0.90c. From the spacecraft’s point of view, at what speed do the pulses approach?
Light from a distant Galaxy has actual wavelength of 452 nm. If the galaxy is Known to be moving away at speed of 1/6c What is the doppler shift?
A star is 16.6 light-years from Earth. Part A How long would it take a spacecraft traveling 0.950c to reach that star as measured by observer on Earth? tEarth = 53.25 Submit Previous Answers Request Answer Part B X Incorrect; Try Again; 4 attempts remaining t = 175| ΑΣΦ Submit Part C How long would it take a spacecraft traveling 0.950c to reach that star as measured by observer on the spacecraft? 1 = 15. ΑΣΦ Submit 5 Request Answer [ΠΙ ΑΣΦ www F Request Answer 2 ? What is the distance traveled according to observers on the spacecraft? ? years ? years light-years

SEE MORE QUESTIONS