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dezoksy [38]
3 years ago
10

25 Points PLEASE I need Help

Physics
1 answer:
olga55 [171]3 years ago
6 0

Answer:nah u took my points I take urs

Explanation:

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Answer:

a)    F = 21.16 N,  b)     a = 3.17 10²⁸ m / s

Explanation:

a) The outside between the alpha particles is the electric force, given by Coulomb's law

          F = k \frac{ q_1 q_2}{r^2}

in that case the two charges are of equal magnitude

          q₁ = q₂ = 2q

let's calculate

         F = 9 \ 10^9 \ \frac{ (2 \ 1.6 \ 10^{-19} )^2 }{ (6.60 \ 10^{-15} )^2 }

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this force is repulsive because the charges are of the same sign

b) what is the initial acceleration

         F = ma

         a = F / m

         a = \frac{21.16}{4.0026 \ 1.67 \ 10^{-27} }21.16 / 4.0025 1.67 10-27

         a = 3.17 10²⁸ m / s

this acceleration is in the direction of moving away the alpha particles

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