Odpowiedź:
m = 30 kg
F = 20 N
s = 5 m
Ek = ?
Ek = W
W = F·s
Ek = F·s
Ek = 20N · 4m
Ek = 80J
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Odpowiedź:
m = 30 kg
F = 20 N
s = 5 m
Ek = ?
Ek = W
W = F·s
Ek = F·s
Ek = 20N · 4m
Ek = 80J