👤

Va rog frumos am nevoie de rezolvarea ex 11 urgent !! Dau coroana

Va Rog Frumos Am Nevoie De Rezolvarea Ex 11 Urgent Dau Coroana class=

Răspuns :

vabs=√(u²+v²)

td=d/vabs=d/√(u²+v²)

vabs'=√(u²+v²)

ti=d/vabs'=d/√(u²+v²)

t=td+ti=2d/√(u²+v²)=2010 s

b) vabs=u+v

td=d/(u+v)

vabs'=u-v

ti=d/(u-v)

tz=td+ti=2du/(u²-v²)=33,67 min

c)tz=2d/u=33,33 min