Speed of Light a) Light travels at a speed of 1.86 * 105
Chapter 5, Problem 5.1.595(choose chapter or problem)
Speed of Light a) Light travels at a speed of 1.86 * 105 mi/sec. A lightyear is the distance that light travels in 1 year. Determine the number of miles in a light-year. b) Earth is approximately 93,000,000 mi from the sun. How long does it take light from the sun to reach Earth?
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