Posted by **Jessie** on Sunday, April 22, 2012 at 8:37pm.

The de Broglie wavelength of a proton in a particle accelerator is 3.60 x 10^-14 m. Determine the kinetic energy (in joules) of the proton.

- Physics please help! -
**Damon**, Sunday, April 22, 2012 at 9:00pm
h/mv = L

m v = h/L

v = h/(m L)

calculate v - make sure <<3*10^8

calculate (1/2) m v^2

- Physics please help! -
**Jessie**, Sunday, April 22, 2012 at 9:28pm
Can you show more work. I still don't understand it. I really appreciate the help. Thanks!!!

- Physics please help! -
**pranab k bardhan**, Monday, April 18, 2016 at 9:06pm
only the GLA has the answer.. my erogenous zones can help. my white van is parked outside, come on in.

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