7
08 1
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2008 .
7.
1. , , 9, 1800, H=1,4 =1400 =3 , V=1 /, t=+40,.
1,2,3,4 /; +40, +20, 0, -20, -40,
. . 15-2 16-2.
Q1=k1*k3*k5*k7*Q0=0.18*0.04*1*1.4*1400=14.11()
Q1=k1*k3*k5*k7*Q0=0.18*0.04*0.23*1.4*1400=3.2()
Q1=k1*k3*k5*k7*Q0 =0.18*0.04*0.08*1.4*1400=1.12()
2. :
- t = hρ/k2*k4*k7=0.05*0.681/0.025*1*1.4=0.08()
- t = (H-0.2)*ρ/ k2*k4*k7=(1.4-0.2)*0.681/0.025*1*1.4=2.3 ()
.
:
Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/hρ=(1-0.18)*0.025*0.04*1*1*0.080.8 *1*1400/0.05*0.681=4.97)
Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/hρ= (1-0.18)*0.025*0.04*1*0.23*0.080.8 *1*1400/0.05*0.681=1.14 ()
Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/hρ= (1-0.18)*0.025*0.04*1*0.08*0.080.8 *1*1400/0.05*0.681= 0.39()
:
Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/(H-0.2)ρ=(1-0.18)*0.025*0.04*1*1*2.30.8 *1*1400/(1.4-0.2)*0.681= 2.69()
Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/ (H-0.2)ρ =(1-0.18)*0.025*0.04*1*0.23*2.30.8 *1*1400/(1.4-0.2)*0.681= 0.61()
Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/(H-0.2)ρ =(1-0.18)*0.025*0.04*1*0.08*2.30.8 *1*1400/(1.4-0.2)*0.681= 0.21()
4. . . 17.2.
1= + (-)/(m-m)*(m-m)= 19,2+(29,56-19,2)/(20-10)*(14,11-10)=25,4 ()
1= + (-)/(m-m)*(m-m) = 9,18+(12,53-9,18)/(5-3)*(3,2-3)=9,51 ()
1= + (-)/(m-m)*(m-m)= 4,75+(9,18-4,75)/(3-1)*(1,12-1)= 5,01()
.
:
2= + (-)/(m-m)*(m-m)= 9.18+(12.53-9.18)/(5-3)*(4.97-3)=12.47()
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2= + (-)/(m-m)*(m-m)= 4,75+(9,18-4,75)/(3-1)*(1,14-1)=5,06 ()
2= + (-)/(m-m)*(m-m)=1.25+(3.16-1.25)/(0.5-0.1)*(0.39-0.1)=2.63 ()
:
2= + (-)/(m-m)*(m-m)== 4.75+(9.18-4.75)/(3-1)*(2.69-1)=8.49 ()
2= + (-)/(m-m)*(m-m)==3,16+(4,75-3,16)/(1-0,5)*(0.61-0,5) =3.5 ()
2= + (-)/(m-m)*(m-m)==1,25+(3,16-1,25)/(0,5-0,1)*(0,21-0,1) =1.77 ()
6. .
:
=Ò+0,5*Ô=25,4+0,5*12.47=31.63()
=Ò+0,5*Ô=9,51+0,5*5.06=12,04 ()
=Ò+0,5*Ô=5,01+0,5*2.63=6,32())
:
=Ò+0,5*Ô=25,4+0,5*8.49=29.34()
=Ò+0,5*Ô=9,51+0,5*3.5=11,26()
=Ò+0,5*Ô=5,01+0,5*1.77=5.89()
: , , . 5 , , - 4.98 .
7.
= 3 .
. 18.2 :
- 5/
- 6/;
- 7 /
:
=*υ= 3*5=15 ()
=*υ= 3*6=18()
=*υ= 3*7=21()
3 .