TBR Physics Part 1 Ex.1.1b

Thread starter Nitabeat92
Start date Jun 2, 2014

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Nitabeat92

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Jun 2, 2014

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Does anyone understand TBR magnitude estimation tip. I thought I understood it when doing ex 1.1a on pg 6 in the book, but I am slightly confused for the next part 1.1b on page 7. The book says the order of magnitude for the problem would be 10^1 and that the remaining numbers (29.06 * 3.6/1.60938 ) would be some number between 1 and 10, but it isn't it is actually 60 something.
Someone please help.
I keep getting caught up on this details and confusing myself.