Dane:
m = 6g = 0,006kg
v = 500m/s
s = 0,5m
Szukane:
F = ?
t = ?
W = Ek = Mv²/2
W = Fs
Fs = mv²/2
F = mv²/2s [kg x m²/s² / m = kg x m/s² = N]
S = at²/2
a = v/t
S = vt/2
2S = vt
t = 2S / v [m / m/s = s]
F = 0,006 x 250000 / 1
F = 1500N
t = 1 / 500
t = 0,002s
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Dane:
m = 6g = 0,006kg
v = 500m/s
s = 0,5m
Szukane:
F = ?
t = ?
W = Ek = Mv²/2
W = Fs
Fs = mv²/2
F = mv²/2s [kg x m²/s² / m = kg x m/s² = N]
S = at²/2
a = v/t
S = vt/2
2S = vt
t = 2S / v [m / m/s = s]
F = 0,006 x 250000 / 1
F = 1500N
t = 1 / 500
t = 0,002s