diff options
Diffstat (limited to '3886/CH18/EX18.4')
| -rw-r--r-- | 3886/CH18/EX18.4/18_4.sce | 13 | ||||
| -rw-r--r-- | 3886/CH18/EX18.4/18_4.txt | 5 |
2 files changed, 18 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 @@ -0,0 +1,13 @@ +//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)
diff --git a/3886/CH18/EX18.4/18_4.txt b/3886/CH18/EX18.4/18_4.txt new file mode 100644 index 000000000..ed7b52339 --- /dev/null +++ b/3886/CH18/EX18.4/18_4.txt @@ -0,0 +1,5 @@ +
+--> exec('E:\My program EM\18. Impact of elastic bodies\18.4.sce', -1)
+
+Coefficient of restitution=0.900
+Expected height of second bounce h2=0.6518 m
\ No newline at end of file |