Acertain star is 1.135 × 10^14 km away from earth. if light travels at 9.4607 × 10^12 km per year, how long will it take for light from the star to reach earth?

12 years will it take for light from the star to reach Earth.

Step-by-step explanation:

As per the given statement: A certain star is 1.135 × 10^14 km away from Earth. If light travels at 9.4607 × 10^12 km per year.

⇒Speed of light travel = km per year

and Distance of a certain star from the Earth = km

To find how long will it take for light from the star to reach Earth.

Using Formula:

or

Substitute the given values we have;;

Simplify:

Time = 11.9969981 year ≈ 12 years

therefore, 12 years will it take for light from the star to reach Earth.

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step-by-step explanation:

use that smart brain

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