a) D.: F = 480N t = 10min = 600s.
Sz.: P=?
W = F * s [J = N * m/s]
W = 480 * 600 = 288000J
W = 288kJ
b) D.: W = 4,8kJ = 4800J t = 10min = 600s.
P = W/t [W = J/s]
P = 4800/600 = 8W
P = 0,08kW
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a) D.: F = 480N t = 10min = 600s.
Sz.: P=?
W = F * s [J = N * m/s]
W = 480 * 600 = 288000J
W = 288kJ
b) D.: W = 4,8kJ = 4800J t = 10min = 600s.
Sz.: P=?
P = W/t [W = J/s]
P = 4800/600 = 8W
P = 0,08kW