Light travels at a speed of about 3.0  108 m/s. How many miles does a pulse of light travel in a time interval of 0.1 s, which is about the blink of an eye? (Δx =  mi ). (b) Compare this distance to the diameter of Earth. (Use 6.38  106 m for the radius of the Earth.) Δx DE

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Chapter1: Units And Measurement
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Problem 18P: Roughly how many times longer than the mean life of an extremely unstable atomic nucleus is the...
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16. Light travels at a speed of about 3.0  108 m/s. How many miles does a pulse of light travel in a time interval of 0.1 s, which is about the blink of an eye? (Δx =  mi ). (b) Compare this distance to the diameter of Earth. (Use 6.38  106 m for the radius of the Earth.)

Δx
DE
 =

 

Expert Solution
Step 1

The value of the velocity of light in the unit of miles/s is

c=1.86×105 mi/s

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