From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1172/CH8/EX8.9/8_9.txt        |  4 ++++
 1172/CH8/EX8.9/Example8_9.sce | 14 ++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100755 1172/CH8/EX8.9/8_9.txt
 create mode 100755 1172/CH8/EX8.9/Example8_9.sce

(limited to '1172/CH8/EX8.9')

diff --git a/1172/CH8/EX8.9/8_9.txt b/1172/CH8/EX8.9/8_9.txt
new file mode 100755
index 000000000..4e1551c0f
--- /dev/null
+++ b/1172/CH8/EX8.9/8_9.txt
@@ -0,0 +1,4 @@
+ # Problem 9 # 
+Standard formula used U_f - U_i = 1/2 * m *(u^2 - v^2)
+ 
+ Height reached by rocket before returning is 2.586947e+09 km.
diff --git a/1172/CH8/EX8.9/Example8_9.sce b/1172/CH8/EX8.9/Example8_9.sce
new file mode 100755
index 000000000..412f318d1
--- /dev/null
+++ b/1172/CH8/EX8.9/Example8_9.sce
@@ -0,0 +1,14 @@
+clc
+//Given that
+R_e = 6.4e6 // radius of Earth in km
+M_e = 6e24 // mass of Earth in kg
+G = 6.67e-11 // universal gravitational constant
+u = 6e3 // initial speed of rocket in m/s
+	
+// sample problem 9 page No. 302
+printf("\n\n\n # Problem 9 # \n")
+
+printf("Standard formula used U_f - U_i = 1/2 * m *(u^2 - v^2)\n ")
+h = ((R_e * 1e3)^2 * u^2) / (2 * G * M_e - R_e * u^2) / 1000    // calculation of Height reached by rocket before returning to Earth
+
+printf ("\n Height reached by rocket before returning is %e km.",h)
-- 
cgit