Respuesta :

Answer:

Explanation:

Energy E is conserved:

[tex]E=\frac{1}{2}mv^2+mgh[/tex]

If v₀ = 22m/s, h₀=0m and h₁=25m:

[tex]E=\frac{1}{2}mv_0^2=\frac{1}{2}mv_1^2+mgh_1[/tex]

Solving for v₁:

[tex]v_1=\sqrt{v_0^2-2gh_1}[/tex]

There is no real solution, because the stone never reaches 25m.

Ver imagen Chenk13