N = 60кВт = 60000Вт
m = 2,4т = 2400кгh = 5мt - ?N = A/t => t = A/N
A = Fl = mgh
t = (mgh)/N
t = (2400*10*5)/60000 = 2c
Відповідь: А (2с)
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Verified answer
N = 60кВт = 60000Вт
m = 2,4т = 2400кг
h = 5м
t - ?
N = A/t => t = A/N
A = Fl = mgh
t = (mgh)/N
t = (2400*10*5)/60000 = 2c
Відповідь: А (2с)