10 files changed, 105 insertions, 0 deletions
diff --git a/1280/CH3/EX3.1/3_1.sce b/1280/CH3/EX3.1/3_1.sce
new file mode 100755
index 000000000..66359cf7c
--- /dev/null
+++ b/1280/CH3/EX3.1/3_1.sce
@@ -0,0 +1,16 @@
+clc
+//initialisation of variables
+M= 5//slug
+g= 32 //ft/sec^2
+M1= 10 //kg
+g1= 9.8 //m/sec^2
+M2= 15 //gm
+g2= 980 //cm/sec^2
+//CALCULATIONS
+W= M*g
+W1= M1*g1
+W2= M2*g2
+//RESULTS
+printf ('weight = %.f lb',W)
+printf ('\n weight = %.f N',W1)
+printf ('\n weight = %.f dyn',W2)
diff --git a/1280/CH3/EX3.11/3_11.sce b/1280/CH3/EX3.11/3_11.sce
new file mode 100755
index 000000000..8ee1bca43
--- /dev/null
+++ b/1280/CH3/EX3.11/3_11.sce
@@ -0,0 +1,10 @@
+clc
+//initialisation of variables
+F= 45 //gm
+L= 20000//gm\
+r= 7.86
+s= 1.27
+//CALCULATIONS
+CF= (F/L)*(r/s)*2*sqrt(2)
+//RESULTS
+printf ('coefficient of friction = %.3f ',CF)
diff --git a/1280/CH3/EX3.2/3_2.sce b/1280/CH3/EX3.2/3_2.sce
new file mode 100755
index 000000000..a46a219d2
--- /dev/null
+++ b/1280/CH3/EX3.2/3_2.sce
@@ -0,0 +1,12 @@
+clc
+//initialisation of variables
+M= 20 //grams
+V= 25 //mm^3
+//CALCULATIONS
+d= M/V
+d1= M*0.001/(V*0.000001)
+d2= M*0.0022/(V*0.00003531)
+//RESULTS
+printf ('density = %.2f gm/cm^3',d)
+printf ('\n density = %.f kg/m^3',d1)
+printf ('\n density = %.1f slugs/ft^3',d2)
diff --git a/1280/CH3/EX3.3/3_3.sce b/1280/CH3/EX3.3/3_3.sce
new file mode 100755
index 000000000..94b46839d
--- /dev/null
+++ b/1280/CH3/EX3.3/3_3.sce
@@ -0,0 +1,16 @@
+clc
+//initialisation of variables
+W= 7200 //lb
+V= 120 //ft^3
+W1= 3600 //lb
+V1= 50 //m^3
+W2= 500 //dyn
+V2= 7000 //cm^3
+//CALCULATIONS
+s= W/V
+s1= W1/V1
+s2= W2/V2
+//RESULTS
+printf ('specific weight = %.f lbs/ft^3',s)
+printf ('\n specific weight = %.f N/m^3',s1)
+printf ('\n specific weight = %.4f dyn/cm^3',s2)
diff --git a/1280/CH3/EX3.4/3_4.sce b/1280/CH3/EX3.4/3_4.sce
new file mode 100755
index 000000000..2d3f0460a
--- /dev/null
+++ b/1280/CH3/EX3.4/3_4.sce
@@ -0,0 +1,8 @@
+clc
+//initialisation of variables
+F= 200 //lb
+A= 4 //in^2
+//CALCULATIONS
+P= F/A
+//RESULTS
+printf ('Pressure = %.f psi',P)
diff --git a/1280/CH3/EX3.5/3_5.sce b/1280/CH3/EX3.5/3_5.sce
new file mode 100755
index 000000000..306af2ea8
--- /dev/null
+++ b/1280/CH3/EX3.5/3_5.sce
@@ -0,0 +1,8 @@
+clc
+//initialisation of variables
+P= 1500 //psi
+A= 2//in^2
+//CALCULATIONS
+F= P*A
+//RESULTS
+printf ('Force = %.f lb',F)
diff --git a/1280/CH3/EX3.6/3_6.sce b/1280/CH3/EX3.6/3_6.sce
new file mode 100755
index 000000000..6a341013c
--- /dev/null
+++ b/1280/CH3/EX3.6/3_6.sce
@@ -0,0 +1,8 @@
+clc
+//initialisation of variables
+s= 0.85
+h= 50 //ft
+//CALCULATIONS
+P= s*h*0.433
+//RESULTS
+printf ('Pressure = %.1f psi',P)
diff --git a/1280/CH3/EX3.7/3_7.sce b/1280/CH3/EX3.7/3_7.sce
new file mode 100755
index 000000000..0d19a2c19
--- /dev/null
+++ b/1280/CH3/EX3.7/3_7.sce
@@ -0,0 +1,8 @@
+clc
+//initialisation of variables
+P= 1500 //psi
+d= 0.78 
+//CALCULATIONS
+h= P*2.31/d
+//RESULTS
+printf ('head = %.1f ft',h)
diff --git a/1280/CH3/EX3.8/3_8.sce b/1280/CH3/EX3.8/3_8.sce
new file mode 100755
index 000000000..0afef24b2
--- /dev/null
+++ b/1280/CH3/EX3.8/3_8.sce
@@ -0,0 +1,10 @@
+clc
+//initialisation of variables
+k= 0.1200
+t= 225 //sec
+d= 0.82
+//CALCULATIONS
+v= t*k
+u= v*d
+//RESULTS
+printf ('kinematic viscosity = %.1f cP',u)
diff --git a/1280/CH3/EX3.9/3_9.sce b/1280/CH3/EX3.9/3_9.sce
new file mode 100755
index 000000000..cd49f0019
--- /dev/null
+++ b/1280/CH3/EX3.9/3_9.sce
@@ -0,0 +1,9 @@
+clc
+//initialisation of variables
+t= 80 //sec
+//CALCULATIONS
+v= 0.226*t-(195/t)
+v1= 0.00035*t-(0.303/t)
+//RESULTS
+printf ('equivalent viscosity = %.2f cst',v)
+printf (' \n equivalent viscosity = %.3f newtons',v1)