hal 100 n0 25

jwb :
h = 1/2 gt2
19,6 = 1/2 . 10 . t2
19,6 = 5t2
t2 = 19,6/5
t = V3,812
t = 1,952

v = x/t
v = 19,6/1.952
v = 10

h = h0 + vo(t-to) - 1/2g(t-to)kuadrat
h = 19,6 + 10(1,952)-5(1,952)
h = 19,6 + 19,52 - 9
h = 30 m

maria andromeda (xk/25)
))*