p01_038 - r , where r ≈ 6 × 10 6 m is the radius of...

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38. Although we can look up the distance from Cleveland to Los Angeles, we can just as well (for an order of magnitude calculation) assume it’s some relatively small fraction of the circumference of Earth – which suggests that (again, for an order of magnitude calculation) we can estimate the distance to be roughly
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Unformatted text preview: r , where r ≈ 6 × 10 6 m is the radius of Earth. If we take each toilet paper sheet to be roughly 10 cm (0.1 m) then the number of sheets needed is roughly 6 × 10 6 / . 1 = 6 × 10 7 ≈ 10 8 ....
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This note was uploaded on 06/11/2008 for the course PHY 038 taught by Professor Furlan during the Spring '08 term at UniFor.

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