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12 m/s.
m = 3kg
V = 12m/s
Ek = m * v² / 2
Ek = 3 * 12² / 2
Ek =216 J
pozdr;)
Ek = 1/2 mv²
Dane:
m = 3 kg
v = 12m/s
Obliczenia
Ek= 1/2 * 3 kg * 12 m/s²
Ek= 1/2 * 3 kg * 144
Ek = 1/2 * 432
Ek = 216 J