initial commit / add all books

14 files changed, 166 insertions, 0 deletions

diff --git a/24/CH17/EX17.1/Example17_1.sce b/24/CH17/EX17.1/Example17_1.sce
new file mode 100755
index 000000000..01f1e2f81
--- /dev/null
+++ b/24/CH17/EX17.1/Example17_1.sce
@@ -0,0 +1,30 @@
+//Given that

+funcprot(0)

+deff('[y] = wave(t, x)', 'y = 0.00327*sin(72.1*x - 2.72*t)')

+//Comparing the given equation with the standard wave equation

+A = 0.00327  //in m

+k = 72.1  //in rad/s

+w = 2.72  //in rad/s

+

+//Sample Problem 17-1a

+printf("**Sample Problem 17-1a**\n")

+printf("The amplitude of the wave is %fm\n", A)

+

+//Sample Problem 17-1b

+printf("\n**Sample Problem 17-1b**\n")

+lambda = 2*%pi/k

+printf("  wavelength = %fm\n", lambda)

+T = 2*%pi/w

+printf("  period     = %fs\n",T)

+f = 1/T

+printf("  frequency  = %fHz\n", f)

+

+//Sample Problem 17-1c

+printf("\n**Sample Problem 17-1c**\n")

+v = w/k

+printf("The velocity of the wave is %fm/s\n", v)

+

+//Sample Problem 17-1d

+printf("\n**Sample Problem 17-1d**\n")

+y = wave(18.9, 22.5*10^-2)

+printf("Displacement of the wave is %fm", y)
\ No newline at end of file
diff --git a/24/CH17/EX17.1/Example17_1_result.txt b/24/CH17/EX17.1/Example17_1_result.txt
new file mode 100755
index 000000000..2cea0a33e
--- /dev/null
+++ b/24/CH17/EX17.1/Example17_1_result.txt
@@ -0,0 +1,13 @@
+**Sample Problem 17-1a**

+The amplitude of the wave is 0.003270m

+

+**Sample Problem 17-1b**

+  wavelength = 0.087145m

+  period     = 2.309995s

+  frequency  = 0.432901Hz

+

+**Sample Problem 17-1c**

+The velocity of the wave is 0.037725m/s

+

+**Sample Problem 17-1d**

+Displacement of the wave is 0.001921m 
\ No newline at end of file
diff --git a/24/CH17/EX17.2/Example17_2.sce b/24/CH17/EX17.2/Example17_2.sce
new file mode 100755
index 000000000..5ecaaa912
--- /dev/null
+++ b/24/CH17/EX17.2/Example17_2.sce
@@ -0,0 +1,13 @@
+exec('Example17_1.sce', -1)

+clc

+

+//Sample Problem 17-2a

+printf("\n\n**Sample Problem 17-2a**\n")

+v = numdiff(list(wave, 22.5*10^-2), 18.9)

+printf("The velocity of the particle is %fm/s\n", v)

+

+//Sample Problem 17-2b

+printf("\n**Sample Problem 17-2b**\n")

+dx = 0.001

+a = (numdiff(list(wave, 22.5*10^-2), 18.9+dx) - numdiff(list(wave, 22.5*10^-2), 18.9))/dx

+printf("The acceleration of the particle is %fm/s^2", a)
\ No newline at end of file
diff --git a/24/CH17/EX17.2/Example17_2_result.txt b/24/CH17/EX17.2/Example17_2_result.txt
new file mode 100755
index 000000000..1ffbb9c17
--- /dev/null
+++ b/24/CH17/EX17.2/Example17_2_result.txt
@@ -0,0 +1,5 @@
+**Sample Problem 17-2a**

+The velocity of the particle is 0.007197m/s

+

+**Sample Problem 17-2b**

+The acceleration of the particle is -0.014237m/s^2 
\ No newline at end of file
diff --git a/24/CH17/EX17.3/Example17_3.sce b/24/CH17/EX17.3/Example17_3.sce
new file mode 100755
index 000000000..99374f7a4
--- /dev/null
+++ b/24/CH17/EX17.3/Example17_3.sce
@@ -0,0 +1,18 @@
+//Given that

+u1 = 1.4*10^-4  //in kg/m

+u2 = 2.8*10^-4  //in kg/m

+L1 = 3.0  //in m

+L2 = 2.0  //in m

+T = 400  //in N

+

+//Sample Problem 17-3

+printf("**Sample Problem 17-3**\n")

+v1 = sqrt(T/u1)

+v2 = sqrt(T/u2)

+t1 = L1/v1

+t2 = L2/v2

+if t1<t2 then

+    printf("The pulse on string1 will reach the knot first")

+else

+    printf("The pulse on string2 will reach the knot first")

+end
\ No newline at end of file
diff --git a/24/CH17/EX17.3/Example17_3_result.txt b/24/CH17/EX17.3/Example17_3_result.txt
new file mode 100755
index 000000000..0be2f5b38
--- /dev/null
+++ b/24/CH17/EX17.3/Example17_3_result.txt
@@ -0,0 +1,2 @@
+**Sample Problem 17-3**

+The pulse on string2 will reach the knot first 
\ No newline at end of file
diff --git a/24/CH17/EX17.4/Example17_4.sce b/24/CH17/EX17.4/Example17_4.sce
new file mode 100755
index 000000000..ab252a47f
--- /dev/null
+++ b/24/CH17/EX17.4/Example17_4.sce
@@ -0,0 +1,12 @@
+//Given that

+u = 525*10^-3  //in kg/m

+T = 45  //in N

+f = 120  //in Hz

+Ym = 8.5*10^-3  //in meter

+

+//Sample Problem 17-4

+printf("**Sample Problem 17-4**\n")

+v = sqrt(T/u)

+w = 2*%pi*f

+Pavg = 0.5*u*v*w^2*Ym^2

+printf("The average power transfered is equal to %fW", Pavg)
\ No newline at end of file
diff --git a/24/CH17/EX17.4/Example17_4_result.txt b/24/CH17/EX17.4/Example17_4_result.txt
new file mode 100755
index 000000000..348d2d097
--- /dev/null
+++ b/24/CH17/EX17.4/Example17_4_result.txt
@@ -0,0 +1,2 @@
+**Sample Problem 17-4**

+The average power transfered is equal to 99.819639W 
\ No newline at end of file
diff --git a/24/CH17/EX17.5/Example17_5.sce b/24/CH17/EX17.5/Example17_5.sce
new file mode 100755
index 000000000..6595ba9b9
--- /dev/null
+++ b/24/CH17/EX17.5/Example17_5.sce
@@ -0,0 +1,16 @@
+exec('degree_rad.sci', -1)

+

+//Given that

+Ym = 9.8*10^-3  //in meter

+phi = dtor(100)  //in degrees

+

+//Sample Problem 17-5a

+printf("**Sample Problem 17-5a**\n")

+Yn = 2*Ym*cos(phi/2)

+printf("The amplitude of resultant wave is %fmm\n", Yn*10^3)

+

+//Sample Problem 17-5b

+printf("\n**Sample Problem 17-5b**\n")

+Y = 4.9*10^-3  //in meter

+phi = 2*acos(Y/(2*Ym))

+printf("The phase difference required is %frad", phi)
\ No newline at end of file
diff --git a/24/CH17/EX17.5/Example17_5_result.txt b/24/CH17/EX17.5/Example17_5_result.txt
new file mode 100755
index 000000000..de8083ba2
--- /dev/null
+++ b/24/CH17/EX17.5/Example17_5_result.txt
@@ -0,0 +1,5 @@
+**Sample Problem 17-5a**

+The amplitude of resultant wave is 12.598637mm

+

+**Sample Problem 17-5b**

+The phase difference required is 2.636232rad 
\ No newline at end of file
diff --git a/24/CH17/EX17.6/Example17_6.sce b/24/CH17/EX17.6/Example17_6.sce
new file mode 100755
index 000000000..3aee4f3d0
--- /dev/null
+++ b/24/CH17/EX17.6/Example17_6.sce
@@ -0,0 +1,17 @@
+//Given that

+Ym1 = 4.0*10^-3  //in meter

+Ym2 = 3.0*10^-3  //in meter

+phi1 = 0  //in rad

+phi2 = %pi/3  //in rad

+

+//Sample Problem 17-6

+printf("**Sample Problem 17-6**\n")

+//For horizontal component

+Ymh = Ym1*cos(phi1) + Ym2*cos(phi2)

+//For vertical component

+Ymv = Ym1*sin(phi1) + Ym2*sin(phi2)

+Ym = sqrt(Ymv^2 + Ymh^2)

+beta = atan(Ymv/Ymh)

+printf("The amplitude of the resultant wave is equal to %fmm\n", Ym*10^3)

+printf("The phase constant for the wave is %frad\n", beta)

+printf("The equation of wave is %f*sin(k*x - w*t + %frad)",Ym, beta)
\ No newline at end of file
diff --git a/24/CH17/EX17.6/Example17_6_result.txt b/24/CH17/EX17.6/Example17_6_result.txt
new file mode 100755
index 000000000..5ad5e5daa
--- /dev/null
+++ b/24/CH17/EX17.6/Example17_6_result.txt
@@ -0,0 +1,4 @@
+**Sample Problem 17-6**

+The amplitude of the resultant wave is equal to 6.082763mm

+The phase constant for the wave is 0.441306rad

+The equation of wave is 0.006083*sin(k*x - w*t + 0.441306rad) 
\ No newline at end of file
diff --git a/24/CH17/EX17.7/Example17_7.sce b/24/CH17/EX17.7/Example17_7.sce
new file mode 100755
index 000000000..3cafb6b51
--- /dev/null
+++ b/24/CH17/EX17.7/Example17_7.sce
@@ -0,0 +1,24 @@
+//Given that

+L = 1.2  //in meter

+u = 1.6*10^-3  //in kg/m

+f = 120  //in Hz

+g = 9.8  //in m/s^2

+

+//Sample Problem 17-7a

+printf("**Sample Problem 17-7a**\n")

+n = 4

+//T = m*g

+//v = sqrt(m*g/u)

+//f = n*v/(2*L)

+m = (2*L*f)^2*u/(g*n^2)

+printf("The value of m should be %fkg\n", m)

+

+//Sample Problem 17-7b

+printf("\n**Sample Problem 17-7b**\n")

+M = 1  //in kg

+n = sqrt((2*L*f)^2*u/(g*M))

+if abs(n - round(n)) < 0.01 then

+    printf("The allowed wave mode is %d", n)

+else

+    printf("No wave mode will be allowed")

+end
\ No newline at end of file
diff --git a/24/CH17/EX17.7/Example17_7_result.txt b/24/CH17/EX17.7/Example17_7_result.txt
new file mode 100755
index 000000000..348ae340e
--- /dev/null
+++ b/24/CH17/EX17.7/Example17_7_result.txt
@@ -0,0 +1,5 @@
+**Sample Problem 17-7a**

+The value of m should be 0.846367kg

+

+**Sample Problem 17-7b**

+No wave mode will be allowed 
\ No newline at end of file