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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /1325/CH2/EX2.1/ex2_1.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '1325/CH2/EX2.1/ex2_1.sce')
| -rw-r--r-- | 1325/CH2/EX2.1/ex2_1.sce | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/1325/CH2/EX2.1/ex2_1.sce b/1325/CH2/EX2.1/ex2_1.sce new file mode 100644 index 000000000..130dbf689 --- /dev/null +++ b/1325/CH2/EX2.1/ex2_1.sce @@ -0,0 +1,49 @@ +//to find velocity and change in kinetic energy when impact between two spheres moving in a same line is a) INELASTIC , b) ELASTIC , c) e = 0.6
+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)
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