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 [email protected] 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 meters2.
Jeff Smith is a former Math teacher and a retired US Navy Lieutenant Commander. Reach him at [email protected].
