Odpowiedź:
Dane Szukane
W= 45 J F = ?
s = 15 dm = 1,5 m
W = F*s => F = = = 30 N
Wyjaśnienie:
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Odpowiedź:
Dane Szukane
W= 45 J F = ?
s = 15 dm = 1,5 m
W = F*s => F = = = 30 N
Wyjaśnienie: