it is estimated that the nearest star outside the solar system is 4.0×10^16m away. express this distance in light year, where one light year is the distance that light travels in one year. (take the speed of light to be 3.0×10^8 m s-1

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Lelia LubowitzLv2

5 Nov 2019

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A parsec is an astronomical unit of distance where 1 parsec = 3.26 light-years (1 light year equals the distance traveled by light in one year). If the speed of light is 186,000 mi/s, calculate the distance in meters of an object that travels 9.6 parsecs.

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A "light-year" is the distance light (speed = 2.998 10^8 m/s)travels in one year.
(a) How many meters are there in 7.00 light-years?
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(b) An astronomical unit (AU) is the average distance from the Sunto Earth, 1.50 10^8 km. How many AU are there in 7.00light-year?
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(c) What is the speed of light in AU/h?
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A "light-year" is the distance light (speed = 2.998 x 10^8 m/s)travels in one year.
(a) How many meters are there in 10.0 light-years?

(b) An astronomical unit (AU) is the average distance from the Sunto Earth, 1.50 x 10^8 km. How many AU are there in 10.0light-year?

(c) What is the speed of light in AU/h?

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it is estimated that the nearest star outside the solar system is 4.0×10^16m away. express this distance in light year, where one light year is the distance that light travels in one year. (take the speed of light to be 3.0×10^8 m s-1

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