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EnderVakarian
@EnderVakarian
July 2022
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лодка плыла от одногой пристани до другой по течению со скоростью 6 м/с а обратно 4 м/с найдите ср с на протяжении всего пути
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fatt52
Verified answer
V1=6 м/с v2=4 м/с vcp=?
===
vcp=(s+s)/(t1+t2)=(s+s)/(s/v1+s/v2)=2*v1*v2/(v1+v2)=2*6*4/(6+4)=4.8 м/с
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EnderVakarian
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Verified answer
V1=6 м/с v2=4 м/с vcp=?===
vcp=(s+s)/(t1+t2)=(s+s)/(s/v1+s/v2)=2*v1*v2/(v1+v2)=2*6*4/(6+4)=4.8 м/с
===========================================