A = Fs
F = mg - pgV
A = hgV(p(б) - p(ж)
А = gh*(m/p(б))*(p(б) - p(ж))=
=10*2*(30/2600)*(2600-1000)
= (10 * 30 * 16) / 13 = 4800/13 = 370 Дж
A = Fs
F = mg - pgV
A = hgV(p(б) - p(ж)
А = gh*(m/p(б))*(p(б) - p(ж))=
=10*2*(30/2600)*(2600-1000)
= (10 * 30 * 16) / 13 = 4800/13 = 370 Дж