Question

Calculate the momentum of an electron of 9 * 10 -31 kg, moving with a velocity of 6 * 10 7 m/s.

Answer 1

9×10.31×9×10.7 = =8,935.677

Answer 2

Momentum P = Mass,m x Velocity,v

P =m v  = ( 9 x 10 ^-31)   x  (6  x 10^7)

            =54 x 10^-24