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Physics 20 Online
OpenStudy (anonymous):

The diagram below shows four planets and their distances from the sun. @PixieDust1

OpenStudy (anonymous):

Light from the sun reaches Earth in 8.3 minutes. In how many minutes does light from the sun reach Mercury? 2.77 minutes 3.24 minutes 4.25 minutes 7.30 minutes

OpenStudy (anonymous):

OpenStudy (pixiedust1):

Okay. Mercury is about 1/3 the distance from earth. 2.77 is 1/3 of 8.3 (about)

OpenStudy (anonymous):

Okay yeah I was looking at that

OpenStudy (pixiedust1):

There's math for you. Sounds like a proportion to me. |dw:1387502253900:dw|

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