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BlackAlpha
@BlackAlpha
July 2022
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Найти Vcp, зная, что V1=90км/ч, V2=15км/ч, S1=2/3 S, S2=1/3 S.
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mikael2
Verified answer
Vcp=(2/3s+1/3s)/(2/3s/90+(1/3s/15)=1:1/3(2/90+1/15)=3*90/8=33,75 км/час
2 votes
Thanks 1
BlackAlpha
Ты где-то ошибся! Там ответ 34 (решения не знаю)
BlackAlpha
ОТВЕТ ВЕРНЫЙ
BlackAlpha
Да, я подумал и понял уже)
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Answers & Comments
Verified answer
Vcp=(2/3s+1/3s)/(2/3s/90+(1/3s/15)=1:1/3(2/90+1/15)=3*90/8=33,75 км/час