Re: Elementary Math for the Traffic Problems

[Bui Anh Vu <vabui@students.wisc.edu>]

Hello ba'c Sonnet,

Tui kho^ng hie^?u gi` Toa'n ne^n kho^ng bi`nh lua^.n nhie^`u dduo*.c/.
Co' ddie^`u la` khi da^n ti`nh cha.y ba~o, ne^'u kho^ng kha^?n ca^'p
la('m thi` kho^ng no'i la`m chi, ne^'u ga^'p thi` cu*' ma.nh ai na^'y ddi
cho nhanh tho^i/. Ca'i ni hi`nh nhu* go.i la` diffused responsibility/.
Ta^'t ca? mo.i nguo*`i dde^`u ddi cha^.m, mi`nh ngu gi` ma` kho^ng pho'ng
nhanh cho thoa't truo*'c/. Tuye^n truye^`n gio*`i! Ne^'u ma` educate
dduo*.c thi` dda~ cha(?ng bao gio*` co' jams, du` la` co' ba~o hay
kho^ng/.

Cheers,
Vu~

At Monday 10/25/99 06:16 PM +0200, you wrote:
> DDie^?n hi`nh ga^`n dda^y nha^'t la` tu.i CNN
> commentators (vo^'n 
> kho^ng hie^?u Math) bi`nh lua^.n "lung tung" ve^` chuye^.n
> ta('c 
> ddu+o+`ng khi da^n ti`nh cha.y ba~o, eg. Floyd.  Ne^'u each driver
> y' thu+'c ddu+o+.c (eg. ddu+o+.c tuye^n truye^`n by the Mass media) 
> la` ho. pha?i cha.y vo+'i "optimal velocity" equal bao nhie^u
> (dda(.c
> bie^.t la` trong ca'c ti`nh huo^'ng evacuations) dde^? ddo^. tho^ng
> ddu+o+`ng la` cao nha^'t, thi` theo to^i cu~ng chu+a ca^`n pha?i
> xa^y
> the^m va`i lanes mo+'i cho ca'c tru.c ddu+o+`ng cu~.  (Xa^y mo^~i
> km
> freeway in USA to^'n chu+`ng 2 mil. USD.   To^?ng co^.ng USA
> co' 
> ga^`n 70.000 km freeways.)