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| author | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
| commit | 7bc77cb1ed33745c720952c92b3b2747c5cbf2df (patch) | |
| tree | 449d555969bfd7befe906877abab098c6e63a0e8 /3886/CH14/EX14.7 | |
| parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
| download | Scilab-TBC-Uploads-master.tar.gz Scilab-TBC-Uploads-master.tar.bz2 Scilab-TBC-Uploads-master.zip | |
Diffstat (limited to '3886/CH14/EX14.7')
| -rw-r--r-- | 3886/CH14/EX14.7/14_7.sce | 23 | ||||
| -rw-r--r-- | 3886/CH14/EX14.7/14_7.txt | 6 |
2 files changed, 29 insertions, 0 deletions
diff --git a/3886/CH14/EX14.7/14_7.sce b/3886/CH14/EX14.7/14_7.sce new file mode 100644 index 000000000..152de87a0 --- /dev/null +++ b/3886/CH14/EX14.7/14_7.sce @@ -0,0 +1,23 @@ +//ship approaching port
+//refer fig. 14.13 and 14.14
+//let west be x and north be y axes
+//speed in kmph is
+vBx=25*sind(45)
+vBy=25*cosd(45)
+vAx=-15
+vAy=0
+//Let vr be the relative velocity of B w.r.t. A
+vrx=17.678-(-15) //kmph
+vry=17.678 //kmph
+vr=sqrt((32.678^2)+(17.678^2)) //kmph
+alpha=atand(17.678/32.678) //degree
+t=(50*cosd(alpha))/(vr) //hours
+//during this time A has moved in east by (da)
+da=15*1.1837 //km
+//and B has moved in N 45 degree W a distance (db)
+db=25*1.1837 //km
+printf("\nt=%.2f hours\nA has moved in east by da=%.2f km\nB has moved in N 45 degree W a distance db=%.2f km",t,da,db)
+
+
+
+
diff --git a/3886/CH14/EX14.7/14_7.txt b/3886/CH14/EX14.7/14_7.txt new file mode 100644 index 000000000..44e21c7b4 --- /dev/null +++ b/3886/CH14/EX14.7/14_7.txt @@ -0,0 +1,6 @@ +
+--> exec('E:\My program EM\14.Relative velocity\14.7.sce', -1)
+
+t=1.18 hours
+A has moved in east by da=17.76 km
+B has moved in N 45 degree W a distance db=29.59 km
\ No newline at end of file |