initial commit / add all books

13 files changed, 173 insertions, 0 deletions

diff --git a/1958/CH1/EX1.1/Chapter1_example1.sce b/1958/CH1/EX1.1/Chapter1_example1.sce
new file mode 100755
index 000000000..f67e08a7b
--- /dev/null
+++ b/1958/CH1/EX1.1/Chapter1_example1.sce
@@ -0,0 +1,15 @@
+clc

+clear

+//Input data

+d=180//Distance of satellite above the surface of earth in km

+t=90//Time taken to complete one revolution of the earth in minutes

+r=6400//Radius of the earth in kms

+

+//Calculations

+R=(r+d)*1000//Total distance in m

+T=t*60//Time in seconds

+v=(2*3.14*R)/T//Orbital speed in m/s

+a=(v^2/R)//Centripetal acceleration in m/s^2

+

+//Output

+printf('Orbital speed is %i m/s \n Centripetal acceleration is %3.1f m/s^2',v,a)

diff --git a/1958/CH1/EX1.2/Chapter1_example2.sce b/1958/CH1/EX1.2/Chapter1_example2.sce
new file mode 100755
index 000000000..51e345857
--- /dev/null
+++ b/1958/CH1/EX1.2/Chapter1_example2.sce
@@ -0,0 +1,12 @@
+clc

+clear

+//Input data

+m=0.05//Mass of the stone in kg

+r=0.4//Radius of the string in m

+

+//Calculations

+vh=sqrt(9.8*r)//Minimum speed when the stone is at the top of the circle in m/s

+vl=sqrt((2/m)*(((1/2)*m*vh^2)+(m*9.8*2*r)))//Minimum speed when the stone is at the bottom of the circle in m/s

+

+//Output

+printf('Minimum speed when the stone is at the top of the circle is %3.2f m/s \n Minimum speed when the stone is at the bottom of the circle is %3.2f m/s',vh,vl)

diff --git a/1958/CH1/EX1.3/Chapter1_example3.sce b/1958/CH1/EX1.3/Chapter1_example3.sce
new file mode 100755
index 000000000..7606661d7
--- /dev/null
+++ b/1958/CH1/EX1.3/Chapter1_example3.sce
@@ -0,0 +1,16 @@
+clc

+clear

+//Input data

+m=0.2//Mass of the ball in kg

+r=1.5//Radius of vertical circle in m

+q=35//Angle made by the ball in degrees

+v=6//Velocity of the ball in m/s

+

+//Calculations

+T=(m*((v^2/r)+(9.8*cosd(q))))//Tension in the string in N

+at=9.8*sind(q)//Tangential acceleration in m/s^2

+ar=(v^2/r)//Radial acceleration in m/s^2

+a=sqrt(at^2+ar^2)//Acceleration in m/s^2

+

+//Output

+printf('Tension in the string is %3.1f N \n Tangential acceleration is %3.2f m/s^2 \n Radial acceleration is %i m/s^2',T,at,ar)

diff --git a/1958/CH1/EX1.4/Chapter1_example4.sce b/1958/CH1/EX1.4/Chapter1_example4.sce
new file mode 100755
index 000000000..22f8ea8c7
--- /dev/null
+++ b/1958/CH1/EX1.4/Chapter1_example4.sce
@@ -0,0 +1,11 @@
+clc

+clear

+//Input data

+//A small ball is released from height of 4r measured from the bottom of the loop, where r is the radius of the loop

+

+//Calculations

+ar=(6*9.8)//Radial acceleration in m/s^2

+at=(9.8*sind(90))//Tangential acceleration in m/s^2

+

+//Output

+printf('Radial acceleration is %3.1f m/s^2 \n Tangential acceleration is %3.1f m/s^2',ar,at)

diff --git a/1958/CH1/EX1.5/Chapter1_example5.sce b/1958/CH1/EX1.5/Chapter1_example5.sce
new file mode 100755
index 000000000..d0a9575c3
--- /dev/null
+++ b/1958/CH1/EX1.5/Chapter1_example5.sce
@@ -0,0 +1,13 @@
+clc

+clear

+//Input data

+l=0.95//Length of the strring in m

+m=0.15//Mass of the bob in kg

+r=0.25//Radius of the circle in m

+

+//Calculations

+h=sqrt(l^2-r^2)//Height of the pendulum in m

+t=2*3.14*sqrt(h/9.8)//Period of rotation in s

+

+//Output

+printf('The period of rotation is %3.4f s',t)

diff --git a/1958/CH1/EX1.6/Chapter1_example6.sce b/1958/CH1/EX1.6/Chapter1_example6.sce
new file mode 100755
index 000000000..a0488a552
--- /dev/null
+++ b/1958/CH1/EX1.6/Chapter1_example6.sce
@@ -0,0 +1,12 @@
+clc

+clear

+//Input data

+N=40//Minimum speed of rotor in rpm

+r=2.5//Radius of rotor in m

+

+//Calculations

+t=60/N//Time period in s

+u=(9.8*t^2)/(4*3.14^2*r)//Coefficient of limiting friction

+

+//Output

+printf('The coefficient of limiting friction between the object and the wall of the rotor is %3.4f',u)

diff --git a/1958/CH1/EX1.7/Chapter1_example7.sce b/1958/CH1/EX1.7/Chapter1_example7.sce
new file mode 100755
index 000000000..18a52e474
--- /dev/null
+++ b/1958/CH1/EX1.7/Chapter1_example7.sce
@@ -0,0 +1,12 @@
+clc

+clear

+//Input data

+a=30//Angle of inclination in degrees

+t=3//Time in s

+

+//Calculations

+a=(9.8*sind(a))//Acceleration in m/s^2

+v=(0+a*t)//Velocity in m/s

+

+//Output

+printf('Speed of the block after %i s is %3.1f m/s',t,v)

diff --git a/1958/CH1/EX1.8/Chapter1_example8.sce b/1958/CH1/EX1.8/Chapter1_example8.sce
new file mode 100755
index 000000000..6cdb13932
--- /dev/null
+++ b/1958/CH1/EX1.8/Chapter1_example8.sce
@@ -0,0 +1,13 @@
+clc

+clear

+//Input data

+m=10//Mass of the block in kg

+F1=40//Horizontal force to start moving in N

+F2=32//Horizontal force to move with constant velocity in N

+

+//Calculations

+u1=(F1/(m*9.8))//Coefficient of static friction

+u2=(F2/(m*9.8))//Coefficient of kinetic friction

+

+//Output

+printf('Coefficient of static friction is %3.3f \n Coefficient of kinetic friction is %3.3f',u1,u2)

diff --git a/1958/CH1/EX1.9/Chapter1_example9.sce b/1958/CH1/EX1.9/Chapter1_example9.sce
new file mode 100755
index 000000000..1efd1da11
--- /dev/null
+++ b/1958/CH1/EX1.9/Chapter1_example9.sce
@@ -0,0 +1,13 @@
+clc

+clear

+//Input data

+m=[3,12]//Masses of the blocks in kg

+q=50//Angle made by the string in degrees

+a=3//Acceleration of 12kg block in m/s^2

+

+//Calculations

+T=m(1)*(9.8+a)//Tension in the string in N

+u=(m(2)*(9.8*sind(q)-a)-T)/(m(2)*9.8*cosd(q))//Coefficient of kinetic friction

+

+//Output

+printf('Tension in the string is %3.1f N \n The coefficient of kinetic friction between %i kg block and the plane is %3.3f',T,m(2),u)

diff --git a/1958/CH1/EX1.e.1/Chapter1_ex1.sce b/1958/CH1/EX1.e.1/Chapter1_ex1.sce
new file mode 100755
index 000000000..170586337
--- /dev/null
+++ b/1958/CH1/EX1.e.1/Chapter1_ex1.sce
@@ -0,0 +1,18 @@
+clc

+clear

+//Input data

+w=50//Weight in N

+a=[40,50]//Angles made by two cables in degrees

+

+//Calculations

+//Solving two equations obtained from fig. 1.10 on page no.10

+//-T1cos40+T2cos50=0

+//T1sin40+T2sin50=50

+A=[-cosd(a(1)) cosd(a(2))

+    sind(a(1)) sind(a(2))]//Coefficient matrix

+B=[0

+   w]//Constant matrix

+X=inv(A)*B//Variable matrix

+

+//Output

+printf('Tensions in all three cables are %3.2f N, %3.2f N, %i N',X(1),X(2),w)

diff --git a/1958/CH1/EX1.e.5/Chapter1_ex5.sce b/1958/CH1/EX1.e.5/Chapter1_ex5.sce
new file mode 100755
index 000000000..995c97eaf
--- /dev/null
+++ b/1958/CH1/EX1.e.5/Chapter1_ex5.sce
@@ -0,0 +1,14 @@
+clc

+clear

+m=100//Mass of block in kg

+F=500//Force in N

+q=30//Angle made with the horizontal in degrees

+u=0.4//Coefficient of sliding friction

+

+//Calculations

+R=m*9.8//Reaction force in N

+f=(u*R)//Frictional force in N

+a=(F*cosd(q)-f)/m//Acceleration of the block in m/s^2

+

+//Output

+printf('The acceleration of the block is %3.2f m/s^2',a)

diff --git a/1958/CH1/EX1.e.6/Chapter1_ex6.sce b/1958/CH1/EX1.e.6/Chapter1_ex6.sce
new file mode 100755
index 000000000..795e04ff9
--- /dev/null
+++ b/1958/CH1/EX1.e.6/Chapter1_ex6.sce
@@ -0,0 +1,12 @@
+clc

+clear

+//Input data

+m=[20,80]//Masses of blocks in kg

+F=1000//Force with which 20kg block is pulled in N

+

+//Calculations

+a=(F/(m(1)+m(2)))//Acceleration of the block in m/s^2

+T=F-(m(1)*a)//Tension in the string in N

+

+//Output

+printf('The acceleration produced is %i m/s^2 \n The tension in the string connecting the blocks is %i N',a,T)

diff --git a/1958/CH1/EX1.e.8/Chapter1_ex8.sce b/1958/CH1/EX1.e.8/Chapter1_ex8.sce
new file mode 100755
index 000000000..27936cc09
--- /dev/null
+++ b/1958/CH1/EX1.e.8/Chapter1_ex8.sce
@@ -0,0 +1,12 @@
+clc

+clear

+//Input data

+w=588//Weight of the person in N

+a=3//Acceleration in m/s^2

+

+//Calculations

+m=(w/9.8)//Mass of the person in kg

+P=(w+(m*a))//Weight of the person when the elevator is accelerated upwards in N

+

+//Output

+printf('Weight of the person when the elevator is accelerated upwards is %i N',P)