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Clique2100
@Clique2100
April 2021
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FatmanDimm
1) 18км/ч = 18*1000/3600 = 5м/c
2)vср=x/t , vср = 1146000/5040 =~227,38 м/c
vсамолета/vпоезда=227,38/38,89= 5,87
3) x=vср*t= 23,33*11160 = 260362,8 м
4)2
RN/V=t
t=42400/8=5300с
5)x1=v1*t1
t1=x1/v1=40с
x2=v2*t2
t2=x2/v2=60с
vср=(x1+x2)/(t1+t2)=(200+600)/(40+60)=8 м/c
6) x=12-4t
t=1; x=8
t=2 ; x=4
t=5 ; x=8
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Clique2100
Спасибо большое!
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Answers & Comments
2)vср=x/t , vср = 1146000/5040 =~227,38 м/c
vсамолета/vпоезда=227,38/38,89= 5,87
3) x=vср*t= 23,33*11160 = 260362,8 м
4)2RN/V=t
t=42400/8=5300с
5)x1=v1*t1
t1=x1/v1=40с
x2=v2*t2
t2=x2/v2=60с
vср=(x1+x2)/(t1+t2)=(200+600)/(40+60)=8 м/c
6) x=12-4t
t=1; x=8
t=2 ; x=4
t=5 ; x=8