Homework Statement
The wavelength of an electron is 4.4 × 10−7 m.
How fast is it moving? The Planck’s con-
stant is 6.62607 × 10−34 J · s .
Answer in units of m/s.
013 (part 2 of 2) 10.0 points
If the electron has a speed of 9 × 106 m/s,
what is its wavelength?
Answer in units of m...