diff options
Diffstat (limited to '3685/CH21/EX21.7/Ex21_7.sce')
| -rw-r--r-- | 3685/CH21/EX21.7/Ex21_7.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/3685/CH21/EX21.7/Ex21_7.sce b/3685/CH21/EX21.7/Ex21_7.sce new file mode 100644 index 000000000..2cba75dd6 --- /dev/null +++ b/3685/CH21/EX21.7/Ex21_7.sce @@ -0,0 +1,14 @@ +clc
+// Given that
+m = 15000 // Initial mass of rocket in kg
+m_b = 125 // Burning rate of propellent in kg/s
+v = 2000 // Relative velocity of gases with respect to the rocket in m/s
+T = 70 // Time in second
+printf("\n Example 21.7\n")
+V = (-v*log(1-(m_b*T/m)))-(9.81*T)
+function y=f(t),y = (-v*log(1-(m_b*t/m))-9.81*t),
+endfunction
+h1 = intg(0,T,f)
+h2 = (V^2)/(2*9.81)
+hmax = h2 + h1
+printf("\n Velocity attain by the rocket in 70 seconds = %f m/s ,\n The maximum height that the rocket will attain = %f km",V,hmax*0.001)
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