Ответ:
1) F=Fт-Fa
Fт=mg=0.00008×2500×10=2(H)
2) Fa=pgV=900×0.00008×10=0.72(H)
3) F=2-0.72=1.28(H)
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Ответ:
1) F=Fт-Fa
Fт=mg=0.00008×2500×10=2(H)
2) Fa=pgV=900×0.00008×10=0.72(H)
3) F=2-0.72=1.28(H)