1 files changed, 49 insertions, 0 deletions
diff --git a/3594/CH2/EX2.1/Ex2_1.sce b/3594/CH2/EX2.1/Ex2_1.sce
new file mode 100644
index 000000000..e8d242dcb
--- /dev/null
+++ b/3594/CH2/EX2.1/Ex2_1.sce
@@ -0,0 +1,49 @@
+
+clc
+//a) INELASTIC
+//for sphere 1 ,mass=m1 and initial velocity=u1 
+//for sphere 2 ,mass=m2 and initial velocity=u2
+m1=100//lb
+u1=10//ft/s
+m2=50//lb
+u2=5//ft/s
+v=(m1*u1+m2*u2)/(m1+m2)
+//change in kinetic energy
+//initial kinetic energy = ke1
+ke1=(m1*(u1^2)+m2*(u2^2))/(2*32.2)
+//Kinetic Energy after inelastic colision = ke2
+ke2=((m1+m2)*8.333^2)/(2*32.2)
+//Change in Kinetic Energy =l
+l=ke1-ke2
+//b) Elastic
+// for a very short time bodies will have a common velocity given by v=8.333 ft/s
+// for a very short time bodies will have a common velocity given by v=8.333 ft/s
+//immidiately after impact ends the velocities for both the bodies are given by v1 and v2
+v1=2*v-u1
+v2=2*v-u2
+//c) Coeeficient of Restitution=0.6
+e=0.6
+ve1=(1+e)*v-e*u1
+ve2=(1+e)*v-e*u2
+ke3=(m1*(ve1^2)+m2*(ve2^2))/(2*32.2)
+loss=ke1-ke3
+printf("kinetic energy before collisio0n is %f ft lb\n",ke1)
+printf("\n")
+printf("a) INELASTIC\n")
+printf("\n")
+printf("velocity after collision is %f ft/s\n",v)
+printf("the Kinetic Energy after collision is %f ft lb\n",ke2) 
+printf("the change in Kinetic Energy after collision is %f ft lb\n",l)
+printf("\n")
+printf("b) ELASTIC\n")
+printf("\n")
+printf("velocity of 1 after collision is %f ft/s\n",v1)
+printf("velocity of 2 after collision is %f ft/s\n",v2)
+printf("there is no loss of kinetic energy in case of elastic collision\n")
+printf("\n")
+printf("c) e=0.6\n")
+printf("\n")
+printf("velocity of 1 after collision is %f ft/s\n",ve1)
+printf("velocity of 2 after collision is %f ft/s\n",ve2)
+printf("the Kinetic Energy after collision is %f ft lb\n",ke3) 
+printf("the change in Kinetic Energy after collision is %f ft lb\n",loss)