Here is what Wolfram Mathematica can solve:
[1] m*a==-m*g-k*v[t]
[2] %1/.a->v'[t]
[3] DSolve[{%2, v[0]==V0}, {v[t]}, {t}]
[4] Simplify[%3/.k->n*m]
[5] (v[t]/.%4)[[1]]
[6] Integrate[%5, {t, 0, t}]
[7] (%6/.{V0->Vx, g->0})==s
[8] (%6/.{V0->Vy})==0
[9] Reduce[{%7, %8}, {s, t}]
[10] Simplify[%9 && g!=0 && n!=0 && Vx!=0 && Vy!=0]/.C[1]->0
In Out[10] there is an equation for s with Lambert function W. Can I get to
that equation in FriCAS?
I don't have Wolfram Mathematica. I tried to reproduce steps from this video
<https://www.youtube.com/watch?v=pFkPD7FoR3U>.
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