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SantSanya
@SantSanya
July 2022
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очень срочно задача 2.15
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ЮрВас
R=Fт-Fc=ma
Fт=Fc+ma=μmg+ma=m(μg+a)
s
=at²
/2 a=2s/t
²=2•2/25=0,16 м/с²
Fт=2000000(0,02•10+0,16)=2 000 000•0,36=720000 (Н)=720 кН
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Answers & Comments
Fт=Fc+ma=μmg+ma=m(μg+a)
s=at²/2 a=2s/t²=2•2/25=0,16 м/с²
Fт=2000000(0,02•10+0,16)=2 000 000•0,36=720000 (Н)=720 кН