1 files changed, 20 insertions, 0 deletions
diff --git a/3523/CH19/EX19.18.9/Ex19_9.sce b/3523/CH19/EX19.18.9/Ex19_9.sce
new file mode 100644
index 000000000..3a2a32a61
--- /dev/null
+++ b/3523/CH19/EX19.18.9/Ex19_9.sce
@@ -0,0 +1,20 @@
+clear all
+clc
+close
+
+V = 120*10^3;//voltage b/w collecting parallel plates in V
+d=0.6;//in meters
+y1=1.2;//vertical dimension of the plates in m
+cm = 10*10^-6;//charge to mass ratio in C/kg
+g =-9.8;//gravitational force
+//intergrating -9.8t with initial conditions we obtain y = -4.9t^2
+y = 4.9;//at t=y0
+t0 = sqrt(y1/y);
+printf("phosphate particle exit plate at %f sec",t0)
+EF = (cm*V)/d;//velosity of particle in x direction is governed by electrostatic force
+printf("electrostatic force %f m/s^2",EF)
+//integrating twice and subsituting initial conditions we have x = t^2; t=t0
+x=(t0)^2;
+printf("particle exits the plate at %f m",x)
+
+