As shown in the figure, a stationary mirror is mounted in a reference frame S and a spaceship moves toward the mirror at a speed v = 0.830 relative to the reference frame S. The instant the spaceship is a distance d = 5.80 ✕ 1010 m from the mirror (as measured by an observer in S), it emits a light pulse that travels to the mirror and is reflected back to the spaceship. Determine the total travel time (in s) for the light pulse as seen by the following. b) an observer on the spaceship What If? If the light beam has an initial wavelength of 520 nm, determine the shift (in nm) in the wavelength of the light beam as measured by the following (use + for an increase and − for a decrease) c) an observer in the S frame d) an observer on the spaceship part a) is not needed
As shown in the figure, a stationary mirror is mounted in a reference frame S and a spaceship moves toward the mirror at a speed v = 0.830 relative to the reference frame S. The instant the spaceship is a distance d = 5.80 ✕ 1010 m from the mirror (as measured by an observer in S), it emits a light pulse that travels to the mirror and is reflected back to the spaceship.
Determine the total travel time (in s) for the light pulse as seen by the following.
b) an observer on the spaceship
What If? If the light beam has an initial wavelength of 520 nm, determine the shift (in nm) in the wavelength of the light beam as measured by the following (use + for an increase and − for a decrease)
c) an observer in the S frame
d) an observer on the spaceship
part a) is not needed
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