Odpowiedź :
Odpowiedź:
dane :. szukane:
L/2 = 3 m. v =?
L(lambda) = 6m v = L /T
to = 1min = 60s. lub:
n = 30. To = t/n = 69s/30
To = 2 s
v = 6m/2s
v = m/s
Odpowiedź:
dane :. szukane:
L/2 = 3 m. v =?
L(lambda) = 6m v = L /T
to = 1min = 60s. lub:
n = 30. To = t/n = 69s/30
To = 2 s
v = 6m/2s
v = m/s