Odpowiedź:
250W
Wyjaśnienie:
h= 1000cm = 10m
F = 1,25kN = 1250N
t= 50s
P =?
P = W/t
W = F × h
W = 1250N × 10m = 12500J
P = 12500J ÷ 50s = 250W
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Odpowiedź:
250W
Wyjaśnienie:
h= 1000cm = 10m
F = 1,25kN = 1250N
t= 50s
P =?
P = W/t
W = F × h
W = 1250N × 10m = 12500J
P = 12500J ÷ 50s = 250W