Odpowiedzi

2009-12-21T13:46:44+01:00
M = 0,006 kg
Δv = 500 m/s
s = 50 cm = 0,5 m
ΔEk = (m * Δv^2) / 2
W = ΔEk = Fop * s
Fop * s = (m * Δv^2) / 2
Fop = (m * Δv^2) / (2 * s)
Fop = 1500 N = 1,5 kN
s = (Δv * t) / 2
t = (2 * s) / Δv
t = (2 * 0,5) / 500
t = 0,002 s
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