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A light year is the distance travelled by light in a year. If c km/s is the speed of light, the ratio
(1 light minute /1 light hour) is
(1 Point)
a. cx 60 km
b. c/60 km/sec
O c.60
O d. 1/60
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Answer:
A light-year is the distance light travels in one year. How far is that? Multiply the number of seconds in one year by the number of miles or kilometers that light travels in one second, and there you have it: one light-year. It's about 5.88 trillion miles (9.5 trillion km).
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