What is SA \vec a
?
graphInit({
range: 10,
scale: 20,
tickStep: 1,
axisArrows: "<->"
});
style({
stroke: "#6495ed",
color: "#6495ed"
}, function() {
var AF = 1 + 0.8 / sqrt( AX * AX + AY * AY );
do {
var AOX = randRange( -9, 9 );
var AOY = randRange( -9, 9 );
} while ( 0 < abs( AOX + AX ) && abs( AOX + AX ) < 9 );
line( [0, 0], [AX, AY], { arrows: "->" } );
label( [AF * AX, AF * AY], "\\vec a" );
});
style({
stroke: "#ff00af",
color: "#ff00af"
}, function() {
var BF = 1 + 0.8 / sqrt( BX * BX + BY * BY );
line( [BOX, BOY], [BOX + BX, BOY + BY], { arrows: "->" } );
label( [BOX + BF * BX, BOY + BF * BY], "\\vec b" );
});
style({
stroke: "#28ae7b",
color: "#28ae7b"
}, function() {
var CF = 1 + 0.8 / sqrt( CX * CX + CY * CY );
line( [COX, COY], [COX + CX, COY + CY], { arrows: "->" } );
label( [COX + CF * CX, COY + CF * CY], "\\vec c" );
});
style({
stroke: "#ffa500",
color: "#ffa500"
}, function() {
var DF = 1 + 0.8 / sqrt( DX * DX + DY * DY );
line( [DOX, DOY], [DOX + DX, DOY + DY], { arrows: "->" } );
label( [DOX + DF * DX, DOY + DF * DY], "\\vec d" );
});
style({
stroke: "#fd0000",
color: "#fd0000"
}, function() {
var EF = 1 + 0.8 / sqrt( EX * EX + EY * EY );
line( [EOX, EOY], [EOX + EX, EOY + EY], { arrows: "->" } );
label( [EOX + EF * EX, EOY + EF * EY], "\\vec e" );
});