V ´ = h/t где t = √(2h/g) V ´= h/ √(2h/g) = h/ (√2h/√ g) =h*√ g/ √2h = h*√ g/ √2 *√h = √h *√g / √2 = √ (gh/2)
V ´ = h/t где t = √(2h/g) V ´= h/ √(2h/g) = h/ (√2h/√ g) =h*√ g/ √2h = h*√ g/ √2 *√h = √h *√g / √2 = √ (gh/2)