EmilysFourthHour.frink

```use Solver.frink // Solver for "Emily's Fourth Hour" geocache, GC1K3YW // http://www.geocaching.com/seek/cache_details.aspx?guid=a90aef91-3fb2-495a-99d3-0414f1678a13 symbolicMode[true] showApproximations[false] ballistics = new Solver[[p0 === 17 g vwx,                          p1 === 17 g 41.9412 m/s + 1.9 kg * 3.68684 m/s,                          p2 === 1.9 kg * 3.68684 m/s + 2.3 kg * yz,                          p0 === p1,                          p1 === p2],                    ["g", "m", "s", "kg"]] println["Ballistics:"] println[join["\n", ballistics.solveAll[]]] println[] args = [] vwx = format[ballistics.solveFor["vwx",args]@0, "m/s", 0] println["vwx = \$vwx"] v = substrLen[vwx, 0, 1] w = substrLen[vwx, 1, 1] x = substrLen[vwx, 2, 1] yz = format[ballistics.solveFor["yz",args]@0, "m/s", 3] println["yz = \$yz"] y = substrLen[yz, 2, 1] z = substrLen[yz, 3, 1] println["vw.xyz = 111 degrees \$v\$w.\$x\$y\$z minutes W"] // First part can be solved at // https://frinklang.org/fsp/solve.fsp?eq=D%5B3.81t%5E3+%2B+9.882t%5E2+%2B+18.6497t+%2B+53.8946%2Ct%2C3%5D&solveFor=t println["33 degrees 22.860 minutes N"] //println[] ```

This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 18658 days, 12 hours, 59 minutes ago.