2. An electron traveling at the speed of light would have a detectable wavelength, while a 100 kg person walking at 2.0 m/s would not. Explain why, using appropriate calculations. Mass of electron = 9.11 x 10 -31 kg c= 3.00 x 108 m/s Na = 6.02 x 1023 atoms/mol h = 6.63 x 10-34 J:s