Posted by **Chelsea** on Monday, November 11, 2013 at 10:59pm.

If the wavelength if determined to be 0.018 nm, at what velocity is the electron traveling?

(The mass of an electron is 9.11x10^-31kg)

I know the answer is 4.0x10^7 m/s, but i cannot figure how they got this. Could someone please explain it to me and show me?

Thanks!!

## Answer This Question

## Related Questions

- Chemistry - Using Werner Hesienbergs uncertainty principle delta x >h/ (4pie*...
- CHEM - The mass of an electron is 9.11*10^-31kg. If the de Broglie wavelength ...
- Chemistry - My problem states the mass of the electron is 9.10939 x10-31kg. It ...
- physics - An electron has a kinetic energy of 4.2 x 10-17 J. It moves on a ...
- physics - An electron starts from rest 3cm from the center of a uniformly ...
- Physics - Two electrons are separated by 1 meter. What is the ratio of the ...
- Chemistry - the de broglie wavelength of an electron with a velocity of 6.00 x ...
- Chemistry - An electron moves with a velocity of 2.5 x 10^8 cm/s. What is its ...
- CHEMISTRY - to resolve an object in an electron microscope the wavelength of the...
- Chemistry - If the wavelength of an electron is equal to the radius of the n=2 ...

More Related Questions