initial commit / add all books

4 files changed, 48 insertions, 0 deletions

diff --git a/980/CH5/EX5.1/5_1.sce b/980/CH5/EX5.1/5_1.sce
new file mode 100755
index 000000000..b51010a00
--- /dev/null
+++ b/980/CH5/EX5.1/5_1.sce
@@ -0,0 +1,7 @@
+clc;

+clear;

+format('v',11);

+Q=1*10^-9;

+disp("path of the integration is along a line parallel to the x-axis as y and z are fixed with y=z=1.");

+W=-Q*integrate('x','x',1,0);         //putting y=z=1.

+disp(W,"work done(in joule)=");

diff --git a/980/CH5/EX5.10/5_10.sce b/980/CH5/EX5.10/5_10.sce
new file mode 100755
index 000000000..7b58e37ca
--- /dev/null
+++ b/980/CH5/EX5.10/5_10.sce
@@ -0,0 +1,17 @@
+clc;

+clear;

+format('v',11);

+vin=2*10^7;

+q=3*10^-6;

+rin=[1 0 0];

+mod_rin=sqrt(rin(1)^2+rin(2)^2+rin(3)^2);

+Vin=q/(4*3.14*8.85*10^-12*mod_rin);         //potential at[1 0 0] due to point charge.

+Pin=-1.6*10^-19*Vin;                         //initial potential energy.

+Kin=(9.1094*10^-31*vin^2)/2;                   //initial kinetic energy considering me=9.1094*10^-31kg.

+Etin=Pin+Kin;                                  //initial total energy'.

+disp("As electron moves it slows down due to attraction to the charge at the origine and ultimately comes to rest.");

+disp("computing rf","hence Etin=Etf=Pf","Kf=0","final kinetic enegy is zero");

+Pf=Etin;

+rf=-1.6*10^-19*q/(4*3.14*8.85*10^-12*Pf);

+disp(rf,"rf(in meter)=");

+disp("from this position the electron reverses motion and begins moving towards the charge at the origin.");

diff --git a/980/CH5/EX5.11/5_11.sce b/980/CH5/EX5.11/5_11.sce
new file mode 100755
index 000000000..183fcb784
--- /dev/null
+++ b/980/CH5/EX5.11/5_11.sce
@@ -0,0 +1,13 @@
+clc;

+clear;

+format('e',11);

+vin=2*10^7;

+q=3*10^-6;

+rin=[1 0 0];

+mod_rin=sqrt(rin(1)^2+rin(2)^2+rin(3)^2);

+Vin=q/(4*3.14*8.85*10^-12*mod_rin);         //potential at[1 0 0] due to point charge.

+Pin=-1.6*10^-19*Vin;                         //initial potential energy.

+disp("Hence Etin must be equal to zero","When the electron reaches at infinite distance Pf=Kf=0.");

+vin=sqrt(-Pin*2/(9.1094*10^-31));                  //considering me=9.1094*10^-31kg.

+disp(vin,"vin(in meter/sec)=");

+disp("Beyond this velocity the electron escapes.");

diff --git a/980/CH5/EX5.2/5_2.sce b/980/CH5/EX5.2/5_2.sce
new file mode 100755
index 000000000..4ad49442d
--- /dev/null
+++ b/980/CH5/EX5.2/5_2.sce
@@ -0,0 +1,11 @@
+clc;

+clear;

+format('e',11)

+Q=1*10^-9;

+r0=[3 5 6];

+r1=[0 0 0];

+R01=r1-r0;

+disp("The parametric eqution of the straight line joining these two points:")

+disp("z=6(1-t)","y=5(1-t)","x=3(1-t)");             //using r=r0+tR01.

+W=1305*Q*integrate('(1-t)^3','t',0,1);              //using parametric equation.

+disp(W,"work done(in joule)=");