A neon sign in front of a café flashes on and off once every 3.5 s, as

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A neon sign in front of a café flashes on and off once every 3.5 s, as measured by the head cook. How much time elapses between flashes of the sign as measured by an astronaut in a spaceship moving toward Earth with a speed of 0.88c?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 01:55 PM

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A neon sign in front of a café flashes on and off once every 3.5 s, as

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