15. A spaceship, moving toward the Moon at a speed of 0.8c, shines an yellow laser at the Moon. An observer on the Moon would see the light arriving at a speed of c but at a shorter wavelength. None of all answers c but a longer wavelength. 0.8 c but at a higher frequency. c but at a smaller frequency.

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15. A spaceship, moving toward the Moon
at a speed of 0.8c, shines an yellow
laser at the Moon. An observer on the
Moon would see the light arriving at a
speed of
c but at a shorter wavelength.
None of all answers
c but a longer wavelength.
0.8 c but at a higher frequency.
c but at a smaller frequency.
Transcribed Image Text:15. A spaceship, moving toward the Moon at a speed of 0.8c, shines an yellow laser at the Moon. An observer on the Moon would see the light arriving at a speed of c but at a shorter wavelength. None of all answers c but a longer wavelength. 0.8 c but at a higher frequency. c but at a smaller frequency.
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