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//Variable declaration
e=1.6*10**-19;
m=9.1*10**-31; //mass(kg)
h=6.626*10**-34; //planck's constant
lamda=1.66*10**-10; //wavelength(m)
//Calculation
v=h/(m*lamda); //velocity(m/s)
E=h**2/(2*m*e*lamda**2); //kinetic energy(eV)
//Result
printf('velocity is %0.3f *10**4 m/s \n',(v/10**4))
printf('answer varies due to approximating off errors\n')
printf('kinetic energy is %0.3f eV \n',(E))
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