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Diffstat (limited to '3845/CH7/EX7.5/Ex7_5.sce')
| -rw-r--r-- | 3845/CH7/EX7.5/Ex7_5.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/3845/CH7/EX7.5/Ex7_5.sce b/3845/CH7/EX7.5/Ex7_5.sce new file mode 100644 index 000000000..da7f24db3 --- /dev/null +++ b/3845/CH7/EX7.5/Ex7_5.sce @@ -0,0 +1,12 @@ +//Example 7.5
+f=5;//Friction force (N), See Example 7.3
+initial_KE=3.75;//Initial kinetic energy (J), See Example 7.2
+W_net=92;//Net work done on the package (J), See Example 7.3
+//This is equal to the energy acquired due to the pushing
+W_fr=-(initial_KE+W_net);//Work by friction (J)
+theta=180;//Direction of friction force (opposite to displacement)(deg)
+d_prime=W_fr/(f*cosd(theta))
+printf('Distance to stop = %0.1f m',d_prime)
+//Answer varies due to round off error
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest
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