by isabel muñoz 11 years ago
477
More like this
by ALAN JESUS LARA
by nayarith vega
by Angel Soto
by alejandro cantero perez
trajectoria no es=desplazamiento
Ax=Xf-Xi; Ar=Rf-Ri
a.normal(An)
a.tangencial(At)
A=An+At
v=Ar/At