How much kale would be needed to provide enough calories for a person for an entire year? (Thanks to Michael Briggs and Beverly Sher of William & Mary for suggesting the question.)

How much angular momentum did Hurricane Florence have when it hit land?

Look for the answers online at tpt.aapt.org

Question suggestions are always welcome!

For more Fermi questions and answers, see Guesstimation 2.0: Solving Today’s Problems on the Back of a Napkin, by Lawrence Weinstein (Princeton University Press, 2012).

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