Odpowiedź:
Wyjaśnienie:
F=630N
h=2m
t=min=60s
Oblicz
W, P
W=F*h
W=630N*2m
W=1260J
moc
P=W/t
P=1260J/60s
P=21W,watów
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Odpowiedź:
Wyjaśnienie:
F=630N
h=2m
t=min=60s
Oblicz
W, P
W=F*h
W=630N*2m
W=1260J
moc
P=W/t
P=1260J/60s
P=21W,watów