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Diffstat (limited to '3720/CH7/EX7.4/Ex7_4.sce')
| -rw-r--r-- | 3720/CH7/EX7.4/Ex7_4.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3720/CH7/EX7.4/Ex7_4.sce b/3720/CH7/EX7.4/Ex7_4.sce new file mode 100644 index 000000000..d3a734b91 --- /dev/null +++ b/3720/CH7/EX7.4/Ex7_4.sce @@ -0,0 +1,20 @@ +//Example 7_4
+clc;clear;
+// Given values
+g_moon=9.81/6;//The gravitational constant on the moon in m/s^2
+t_1=2.75;
+V=21;// Initial speed of the ball in m/s
+theta=5;// degree
+z_0=2.0;// m
+
+//Calculation
+//(a)
+w_0=V*sind(theta);
+Fr=w_0^2/(g_moon*z_0);
+Fr=(Fr)^2;
+t=(t_1*z_0)/w_0
+printf("Estimated time to strike the ground=%0.2f s\n",t);
+//(b)
+t_2=(w_0+sqrt(w_0^2+(2*z_0*g_moon)))/g_moon;
+printf("Exact time to strike the ground=%0.2f s\n",t_2);
+// The answers vary due to round off error
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