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AnDreЙKa
@AnDreЙKa
July 2022
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Решить 41 42 43 44
с Дано
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tana20101997
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41) Дано: L=574.5*10^-9 м k=1 a=20 d-?
d*sina=k*L d=k*L/sina=1*574,5*10^-9/0,342=1,68*10^-6 м
42) L1=760 н*м n=1,33 L2-?
n=c/V=v*L1/v*L2=L1/L2 L2=L1/n=760/1,33=571,4 н*м
43) H=2 м a=60 L-? tga=L/H L=H*tga=2*1,73=3,46 м
44) F=0,4 м Г=0,5 f-? Г=f/d d=2*f
1/2*f +1/f=1/F f=3*F/2=3*0,4/2=0,6 м
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41) Дано: L=574.5*10^-9 м k=1 a=20 d-?d*sina=k*L d=k*L/sina=1*574,5*10^-9/0,342=1,68*10^-6 м
42) L1=760 н*м n=1,33 L2-?
n=c/V=v*L1/v*L2=L1/L2 L2=L1/n=760/1,33=571,4 н*м
43) H=2 м a=60 L-? tga=L/H L=H*tga=2*1,73=3,46 м
44) F=0,4 м Г=0,5 f-? Г=f/d d=2*f
1/2*f +1/f=1/F f=3*F/2=3*0,4/2=0,6 м