Ответ:
P = F/S = mg/S = 74 * 9.8 / 450 см² = 74 * 9.8/ 0.045 =
= 16116 Па
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Ответ:
P = F/S = mg/S = 74 * 9.8 / 450 см² = 74 * 9.8/ 0.045 =
= 16116 Па