Math Puzzle for August 2, 2024

Higher than the tropopause, far above the fray,  blissfully unmindful of mankind’s petty play

Tristan and Layla are flying due west, toward Alameda, California.
Alameda is located at 37.77349° N  122.27851° W.
Tristan remarks, “The sun appears to hover to the west of us.”
Layla agrees: “Indeed, Phoebus is neither rising nor setting.”
The Earth has a radius of 3963 miles and they are cruising at 40,000 feet.

Find Tristan and Layla’s ground speed GS.

First correct answer received by JeffreyRSmith@aol.com wins a gift card worth a lot of ice cream at Tucker’s Ice Cream of Alameda, California.

Last week’s winner was Chris Clifford, who correctly calculated A = 120 meters ² .

Jeff Smith is a former Math teacher and a retired US Navy Lieutenant Commander. Reach him at JeffreyRSmith@aol.com .

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