Light of wavelength 659.1 nm is emitted by a star. The wavelength of this light as measured on Earth is 661.2 nm. How fast is the star moving with respect to Earth? If it is moving away from Earth, enter a negative value and if it is moving toward Earth, enter a positive answer. *need answer in km/s

Light of wavelength 659.1 nm is emitted by a star. The wavelength of this light as measured on Earth is 661.2 nm. How fast is the star moving with respect to Earth? If it is moving away from Earth, enter a negative value and if it is moving toward Earth, enter a positive answer. *need answer in km/s

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter16: Fundamentals Of Light

Section: Chapter Questions

Problem 39A

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