Question #356bf

2 Answers
Aug 4, 2017

I got a bit more than 8min

Explanation:

Light in vacuum travels at a speed c=3×108ms.
A beam of light must travel:
93×1060.62=1.5×108km=1.5×1011m

We can find the time remembering that:

speed=distancetime

So:
time=1.5×10113×108=500s

corresponding to:

8min and 20s

Aug 4, 2017

About 8 minute and 20 second.

Explanation:

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