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Diffstat (limited to '3845/CH29/EX29.8/Ex29_8.sce')
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1 files changed, 12 insertions, 0 deletions
diff --git a/3845/CH29/EX29.8/Ex29_8.sce b/3845/CH29/EX29.8/Ex29_8.sce new file mode 100644 index 000000000..9e7a8b364 --- /dev/null +++ b/3845/CH29/EX29.8/Ex29_8.sce @@ -0,0 +1,12 @@ +//Example 29.8
+delta_x=0.01*10^-9;//Uncertainty in position (m)
+h=6.63*10^-34;//Planck's constant (J.s)
+delta_p=h/(4*%pi*delta_x);//Uncertainty in momentum (kg.m/s)
+m=9.11*10^-31;//Mass of an electron (kg)
+delta_v=delta_p/m;//Uncertainty in velocity (m/s)
+printf('a.Electron''s uncertainty in velocity = %0.2e m/s',delta_v)
+KE_e=(1/2)*m*delta_v^2;//Kinetic energy of electron (J)
+KE_e=KE_e*1/(1.60*10^-19);//Kinetic energy of electron(eV)
+printf('\nb.Kinetic energy of electron = %0.1f eV',KE_e)
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest
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