2 files changed, 34 insertions, 0 deletions
diff --git a/3886/CH13/EX13.14/13_14.sce b/3886/CH13/EX13.14/13_14.sce
new file mode 100644
index 000000000..80f611478
--- /dev/null
+++ b/3886/CH13/EX13.14/13_14.sce
@@ -0,0 +1,28 @@
+//Flying bomber
+//refer fig. 13.20
+h=2400  //m
+//Let the time required for bomb to reach ground be t seconds
+//then
+t=sqrt((2400*2)/(9.81))  //sec
+u=(1000*1000)/(60*60)  //m/sec
+//Horizontal distance moved by bomb d
+d=u*t  //m
+//muzzle velocity=600 m/sec
+//velocity of projection u=600 m/sec
+//alpha=60 degree
+//shell has to hit the bomber at height h=2400 m
+//let time required for the shell to rise to this height be t1
+//then
+//t1=110.370 sec or 4.433 sec
+//when t1=110.370 sec
+//horizontal distance moved by the shell=600*cosd(60)*110.370 m
+//distance moved by plane during this period=30658.58 m
+//the gun must fire the shell when the bomber is at a distance=33111+30658.58  m
+//when t1=4.839 sec
+//horizontal distance moved by the shell=1331.70 m
+//distance moved by plane during this period=1233.07 m
+//the gun must fire the shell when the bomber is at a distance=2564.77 m
+printf("\nThe bomb should be released when the bomber is %.2f m away from the target",d)
+printf("\nWhen the shell is fired at a distance of 63769.58 m, it will hit the plane in its downward motion.")
+printf("\nIf the shell is fired when the bomber is at a distance of 2795.87 m, then it will hit the bomber during its upward motion")
+
diff --git a/3886/CH13/EX13.14/13_14.txt b/3886/CH13/EX13.14/13_14.txt
new file mode 100644
index 000000000..1f5f654da
--- /dev/null
+++ b/3886/CH13/EX13.14/13_14.txt
@@ -0,0 +1,6 @@
+ 
+--> exec('E:\My program EM\13. Projectiles\13.14.sce', -1)
+
+The bomb should be released when the bomber is 6144.46 m away from the target
+When the shell is fired at a distance of 63769.58 m, it will hit the plane in its downward motion.
+If the shell is fired when the bomber is at a distance of 2795.87 m, then it will hit the bomber during its upward motion
+\ No newline at end of file