You are an astronomer investigating four astronomical sources of infrared radiation. You have identified the nature...

 

 

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You are an astronomer investigating four astronomical sources of infrared radiation. You have identified the nature of each source, so you know the frequency fo of each when it is at rest relative to you. Your detector, which is at rest relative to the earth, measures the frequency f of the moving source. Your results are given in the table. Source A B C D f(THz) 7.1 5.4 6.1 8.1 fo(THz) 9.2 8.6 7.9 8.9 Part A Which source is moving at the highest speed relative to your detector? O source C O source D O source B O source A Submit Request Answer Part B What is the speed of the highest speed source? Express your answer as a multiple of the speed of light. ΑΣΦ ? u = Part E What is its speed? Express your answer as a multiple of the speed of light. u = Submit Request Answer Part G For source B, what frequency would your detector measure if the source were moving at the same speed relative to the detector but toward it rather than away from it? Express your answer with the appropriate units. HA ? f = Value Units Submit Request Answer You are an astronomer investigating four astronomical sources of infrared radiation. You have identified the nature of each source, so you know the frequency fo of each when it is at rest relative to you. Your detector, which is at rest relative to the earth, measures the frequency f of the moving source. Your results are given in the table. Source A B C D f(THz) 7.1 5.4 6.1 8.1 fo(THz) 9.2 8.6 7.9 8.9 Part A Which source is moving at the highest speed relative to your detector? O source C O source D O source B O source A Submit Request Answer Part B What is the speed of the highest speed source? Express your answer as a multiple of the speed of light. ΑΣΦ ? u = Part E What is its speed? Express your answer as a multiple of the speed of light. u = Submit Request Answer Part G For source B, what frequency would your detector measure if the source were moving at the same speed relative to the detector but toward it rather than away from it? Express your answer with the appropriate units. HA ? f = Value Units Submit Request Answer

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