671/CH1/EX1.A.6/1_A_6.sce


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e0=8.85E-12
er=1
A=%pi*(1/200)^2
d=150/1000000
C=er*e0*A/d

E=1/1000
v=sqrt(2*E/C)
disp(v)

E=2/1000000
v=100
er=2*E/(v^2)/C
disp(er)