Odpowiedź:
v = 54 km/h = 54km/h :3,6 = 15 m/s
P = 15 kW = 15 000 W
----------------------------------------------------
F = ?
P = F*v
F = P/v = 15000W/15m/s = 1000 N
Odp. F = 1000 N = 1 kN
Wyjaśnienie:
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Odpowiedź:
v = 54 km/h = 54km/h :3,6 = 15 m/s
P = 15 kW = 15 000 W
----------------------------------------------------
F = ?
P = F*v
F = P/v = 15000W/15m/s = 1000 N
Odp. F = 1000 N = 1 kN
Wyjaśnienie: