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NEKARO
@NEKARO
July 2022
1
8
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Срочно!!!!! Помогите решить
Дано:
V1=72км/ч
t1=8мин
S2=7км
t2=0,5ч
Vср=?
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germiona1best
Verified answer
Vср=S/t
S1=V1*t1= 72 км/ч * 8/60 = 9.6 км
S=S1+S2=9.6+7=16.6 км
t=t1+t2=8/60+30/60=38/60
Vср=16.6/(38/60)=26.21 км/ч
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Answers & Comments
Verified answer
Vср=S/tS1=V1*t1= 72 км/ч * 8/60 = 9.6 км
S=S1+S2=9.6+7=16.6 км
t=t1+t2=8/60+30/60=38/60
Vср=16.6/(38/60)=26.21 км/ч