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dane t=42,3s, g=10m/s2, vo=0, siły oporów ruchu pomijalne
szukane vk
vk = gt = 10m/s2*42,3s = 423m/s
.........................pozdrawiam
t=42,3 s.
V=?
h=1/2 gt^2
h=1/2 * 10 m/s^2 * (42,4 s)^2
h=8946,45
V=g*t
t=pierw(2h/g)
V=g * pierw(2h/g)= pierw(2g*h)
V= pierw ( 20 m/s^2 * 8946,45m) =pierw(178929)=423 m/s
Odp. Uzyska 423 m/s.