1) H = Vo ^ 2 \ 2g = 400 \ 20 = 20 M
2) Ep = mgH = 0.1 * 10 * 20 = 20 Дж
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1) H = Vo ^ 2 \ 2g = 400 \ 20 = 20 M
2) Ep = mgH = 0.1 * 10 * 20 = 20 Дж