//Example 21.6
v=5*10^2;//Velocity of bullet (m/s)
x=8*10^-2;//Distance traversed (m)
t=x/v;//Time (s)
tau=t;//Time constant (s)
R=10;//Resistance (ohm)
C=tau/R;//Capacitance (F)
printf('Capacitance required = %0.1f microF',C/10^-6)
//Openstax - College Physics
//Download for free at http://cnx.org/content/col11406/latest