dane:
1 = W2 = W
t1 = 2 h
t2 = 15 min = 1/4 h
szukane:
P2/P1 = ?
P = W/t
P1 = W/t1
P2 = W/t2
P2/P1 = W/t2:W/t1 = t1/t2
P2/P1 = 2h/(1/4)h = 8
P2 = 8 P1
=========
Odp.Moc koparki jest 8 razy większa od mocy robotnika.
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dane:
1 = W2 = W
t1 = 2 h
t2 = 15 min = 1/4 h
szukane:
P2/P1 = ?
P = W/t
P1 = W/t1
P2 = W/t2
P2/P1 = W/t2:W/t1 = t1/t2
P2/P1 = 2h/(1/4)h = 8
P2 = 8 P1
=========
Odp.Moc koparki jest 8 razy większa od mocy robotnika.