clear
//Given
E=3.4*10**4                        //V/m
B=2*10**-3                         //Wb/m**2
m=9.1*10**-31
e=1.6*10**-19

//Calculation
v=E/B
r=(m*v)/(e*B)

//Result
printf("\n Radius of the circular path is %0.1f  *10**-2 m",r*10**2)