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13-05-2022
Physics

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A light-year is a unit generally used to express the distance that light travels in one year. Which of these can be expressed in the light years?

A] the age of a rock
B] the distance between two stars
C] the speed at which the earth revolves around the sun
D] the time earth takes to complete a revolution around the sun

Respuesta :

13-05-2022

Answer: B

A and D are measurements of time and C is a speed. Light-years measure distance.

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