clc 
// Given that
v = 2.5e6 // speed of electron in meter/sec
B = 2e-4 // magnetic field in tesla
r = 1.76e11 // ratio of charge on electron to the mass of electron in C/kg
// Sample Problem 2 on page no. 6.20
printf("\n # PROBLEM 2 # \n")
a = (B * r * v)
printf("\n Standard formula used \n a = (B * r * v). \n ")
printf("\n Momentum of acceleration = %e meter/square sec.",a)