From 7bc77cb1ed33745c720952c92b3b2747c5cbf2df Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Sat, 3 Feb 2018 11:01:52 +0530
Subject: Added new code

---
 3886/CH14/EX14.8/14_8.sce | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 3886/CH14/EX14.8/14_8.sce

(limited to '3886/CH14/EX14.8/14_8.sce')

diff --git a/3886/CH14/EX14.8/14_8.sce b/3886/CH14/EX14.8/14_8.sce
new file mode 100644
index 000000000..2d76b882b
--- /dev/null
+++ b/3886/CH14/EX14.8/14_8.sce
@@ -0,0 +1,31 @@
+//ship B approaching port
+//refer fig. 14.15 and 14.16
+//Considering west as x-axis and south as y-axis
+vAx=24*cosd(30)
+vAy=24*sind(30)
+vBx=-18
+vBy=0
+//Let relative velocity of A w.r.t. B be vr at an angle alpha to western direction
+vrx=vAx-vBx  //kmph
+vry=vAy-vBy
+v=sqrt((vrx)^2+(vry)^2)  //kmph
+alpha=atand(vry/vrx)  //degree
+//Holding B stationary and allowing A to move with relative velovity,BC is given by
+BC=60*sind(alpha)  //km
+//from triangle BCD
+DC=sqrt((25^2)+(17.735)^2)  //km
+CE=DC  //km
+AC=60*cosd(alpha)  //km
+AD=AC-DC  //km
+AE=AC+CE  //km
+//Time taken to reach D
+t1=39699*60/40899  //min
+//time taken to reach E
+t2=74939*60/40599  //min
+printf("\nThe two ships can start exchanging signals %.2f min after ship A leaves the port and continue to do so for %.2f min",t1,t2-t1)
+
+
+
+
+
+
-- 
cgit