1 files changed, 13 insertions, 0 deletions
diff --git a/3886/CH18/EX18.4/18_4.sce b/3886/CH18/EX18.4/18_4.sce
new file mode 100644
index 000000000..97d3dc681
--- /dev/null
+++ b/3886/CH18/EX18.4/18_4.sce
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+//Ball is dropped from height
+u1=sqrt(2*9.81*1)  //m/sec
+v1=-sqrt(2*9.81*0.810)  //m/sec
+//There is no movement of the floor before and after striking
+//u2=0
+//v2=0
+//From the defination of coefficient of restitution
+e=(3.987/4.429)  
+//Let the velocity of the ball after second bounce be v2
+v2=e*3.987  //m/sec  upward
+//Expected height h2
+h2=(3.576^2)/(2*9.81)  //m
+printf("\nCoefficient of restitution=%.3f \nExpected height of second bounce h2=%.4f m",e,h2)