A spaceship traveling to Alpha Centauri at 0:95c sends a message home to Earth saying they are at the halfway point. (a) What is the frequency (in GHz) of the message that Earth listeners receive if it was sent at 5.9 GHz? GH₂ (b) If the ship's transmitter is omnidirectional, what is the frequency (in GHz) measured at Alpha Centauri? GHz

Physics for Scientists and Engineers: Foundations and Connections
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Chapter39: Relativity
Section: Chapter Questions
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11. [-
ASIC
A spaceship traveling to Alpha Centauri at 0.95c sends a message home to Earth saying they are at the halfway point.
(a) What is the frequency (in GHz) of the message that Earth listeners receive if it was sent at 5.9 GHz?
GH₂
(b) If the ship's transmitter is omnidirectional, what is the frequency (in GHz) measured at Alpha Centauri?
GHz
ASH
Transcribed Image Text:11. [- ASIC A spaceship traveling to Alpha Centauri at 0.95c sends a message home to Earth saying they are at the halfway point. (a) What is the frequency (in GHz) of the message that Earth listeners receive if it was sent at 5.9 GHz? GH₂ (b) If the ship's transmitter is omnidirectional, what is the frequency (in GHz) measured at Alpha Centauri? GHz ASH
ML
ANC
A rod is at rest in frame K' which is moving at some speed in the positive direction along the x-axis relative to frame K. An observer in frame K' sees the rod as Lo' long and the a
between the rod and the x' axis as 8= 27.0°. An observer in frame K sees the angle as 0o = 48.0°. Determine the following.
(a) Speed of frame K' relative to K in terms of the speed of light c.
C
(b) Length of the rod to an observer in frame K in terms of Lo
140°
Transcribed Image Text:ML ANC A rod is at rest in frame K' which is moving at some speed in the positive direction along the x-axis relative to frame K. An observer in frame K' sees the rod as Lo' long and the a between the rod and the x' axis as 8= 27.0°. An observer in frame K sees the angle as 0o = 48.0°. Determine the following. (a) Speed of frame K' relative to K in terms of the speed of light c. C (b) Length of the rod to an observer in frame K in terms of Lo 140°
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