"aineco" - 1 õppematerjal

Ülesanded 1

p = + = 4 = 2 -? : = + = 10 - 2 + 3 = = - 2 + 3 2 ; ( 2 ) = - 2 × 2 + 3 × 2 2 = 10 / = = 10; ( 2 ) = 10 × 2 = 20 / 2 10 2 = = = 25 / 4 = 25 2 + 20 2 = 1025 = 32 / 2 : = 32 / 2 = = -? : = 2 2 = = = 2 => = 2 2 = 2 × 9, × = = 3 f = 5Gr M = 100Mn t = 20 sek J -? Lahendus : M M = J × => J = = => 0 = => = = f => J = M × t t t f × J= = Hs Vastus J = Hs Ülesanne 4 = 250MN/m = × 3 kg m 3 = × 3 kg m 3 2 g = m s l- Lahendus d 2 F max g = F = mg - ...