Question

Ex 5 si 6 va rog frumos. Multumesc!

Answer 1

x/√2=y/√8=k
x=k√2⇒x=3√2
y=k√8⇒y=6√2
Mg=√x*y
x*y=k²4⇒x*y=(2k)²
2*3=√4k²⇒6=2k⇒k=3

Vf: Mg=√(3√2*6√2)⇒Mg=√18*2⇒Mg=√36⇒Mg=6

6) Mg=√2x²⇒3√2=x√2⇒x=3