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Diffstat (limited to '1172/CH8/EX8.7/Example8_7.sce')
| -rwxr-xr-x | 1172/CH8/EX8.7/Example8_7.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/1172/CH8/EX8.7/Example8_7.sce b/1172/CH8/EX8.7/Example8_7.sce new file mode 100755 index 000000000..6baa792af --- /dev/null +++ b/1172/CH8/EX8.7/Example8_7.sce @@ -0,0 +1,11 @@ +clc
+//Given that
+t = 27.3 // period of lunar orbit around Earth in days
+r = 3.9e5 // distance of satellite from Earth in km
+G = 6.67e-11 // universal gravitational constant
+// sample problem 7 page No. 301
+printf("\n # Problem 7 # \n")
+printf("Standard formula used \n T = 2 * pi * sqrt ((r^3)/G*M_e) \n ")
+T = t * 24 * 60 * 60// calculation of time in seconds
+M_e = 4 * %pi^2 * (r * 1000)^3 / (G * T^2) // calculation of mass of Earth
+printf ("\n Estimated mass of Earth is %e kg.", M_e)
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