Calculating the velocity of electron

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The discussion centers on calculating the velocity of an electron given its de Broglie wavelength of 555 nm. The relevant equation used is λ = h/mv, where λ is the wavelength, h is Planck's constant (6.6262 x 10^-34 Js), m is the mass of the electron (9.13297 x 10^-28 g converted to kg), and v is the velocity. The correct approach requires converting the mass to kilograms and ensuring all units are consistent to arrive at the accurate velocity calculation.

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1. Problem: If the de Broglie wavelength of an electron is 555nm, what is its velocity?


2. Homework Equations
- λ = h/mv

3. Ok so i first did the amu-g conversion. so i got the mass of the electron is (9.13297 x 10^-28g), then i did nm-m conversion so (555 x 10^-9m) and i multiplied them and then divided by Plancks constant but i got the wrong answer?
 
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You need to show more work then this. Also, if you're using SI units, you must convert to kg, not grams.
 
nvm i got the answer. its (6.6262x10^-34Js)/((9.13297x10^-25kg)/(555x10^-9m))
 

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