V = 340m/s
S = 1,02km = 1020m
V = S/t
t = S/V
t = 1020m:340m/s = 3s
S = 1, 02 km = 1020 m
V = 340 m/s
t = S / v
t = 1020 m / 340 m/s
t = 3s
Odp. : Sygnał usłyszymy po 3 sekundach.
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V = 340m/s
S = 1,02km = 1020m
V = S/t
t = S/V
t = 1020m:340m/s = 3s
S = 1, 02 km = 1020 m
V = 340 m/s
t = S / v
t = 1020 m / 340 m/s
t = 3s
Odp. : Sygnał usłyszymy po 3 sekundach.