P = F/S = m*g/S => g/S = P/m => S*P = g*m => S = g*m / P
S = 3880 кг * 10 / 40000 Н/м^2 = 38800 / 40000 = 0,97 м^2
Ответ: S = 0,97 м^2
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P = F/S = m*g/S => g/S = P/m => S*P = g*m => S = g*m / P
S = 3880 кг * 10 / 40000 Н/м^2 = 38800 / 40000 = 0,97 м^2
Ответ: S = 0,97 м^2