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Unformatted text preview: red light into a green one. The judge says: I understand all about blueshifts, so I accept your explanation. However, I nd you guilty of another charge. How fast (in MILES PER HOUR [mph]) would you need to be approaching the traFc light to blueshift a red light into a green one? What was the charge you were convicted of? 3. Since your car was approaching the traFc light, why is it that the lights radiation was blueshifted? In fact, was it? 4. When you sit in your chair during AS 117 lectures, which of the four forces of Nature is it that keeps you from falling into the basement, en route to the center of the Earth? Which are the two forces being balanced to produce your stationary, yet supremely attentive, state? Solutions due in section 1 week from today. Wavelength of RED light = 6500 Angstroms Wavelength of GREEN light = 5000 Angstroms Speed of light = c = 3 10 5 km sec-1 = 186,210 miles per second...
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- Spring '10