88. A spaceship heads away from Earth at 0.20c. The ship beams 450-nm light toward Earth. The light strikes a mirror on Earth and is reflected back to the ship. What is the wavelength of light received by the ship? Hint: Find the wavelength received at Earth, and then consider tha the mirror effectively retransmits light of that wavelength.

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587.26 nm
20-88. Give the answer for v/c = 0.25.
Transcribed Image Text:Do 587.26 nm 20-88. Give the answer for v/c = 0.25.
88. A spaceship heads away from Earth at 0.20c. The ship
beams 450-nm light toward Earth. The light strikes a mirror on Earth and
is reflected back to the ship. What is the wavelength of light received by the
ship? Hint: Find the wavelength received at Earth, and then consider that
the mirror effectively retransmits light of that wavelength.
Transcribed Image Text:88. A spaceship heads away from Earth at 0.20c. The ship beams 450-nm light toward Earth. The light strikes a mirror on Earth and is reflected back to the ship. What is the wavelength of light received by the ship? Hint: Find the wavelength received at Earth, and then consider that the mirror effectively retransmits light of that wavelength.
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