- #1

lovelylm1980

- 18

- 0

My question is do I use the kinetic energy to get velocity of electron then proton separately, and afterwards divide the results to obtain the ratio?

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- Thread starter lovelylm1980
- Start date

- #1

lovelylm1980

- 18

- 0

My question is do I use the kinetic energy to get velocity of electron then proton separately, and afterwards divide the results to obtain the ratio?

- #2

Jelfish

- 144

- 5

That's what I would do.

- #3

faruk

- 5

- 0

proton: M, u

mv²/2 = Mu²/2

mv² = Mu²

v²/u² = M/m

v/u = sqrt(M/m) = sqrt(1836) = 42.85

(valid for v << c)

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