EmilysFourthHour.frink

View or download EmilysFourthHour.frink in plain text format

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 http://futureboy.us/fsp/solve.fsp?equation=D[D[D[3.81t^3+%2B+9.882t^2+%2B+18.6497t+%2B+53.8946%2Ct]%2Ct]%2Ct]&solveFor=t&f=on

println["33 degrees 22.860 minutes N"]
//println[]


View or download EmilysFourthHour.frink in plain text format


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 17683 days, 10 hours, 57 minutes ago.