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(Solved): V e) 6.3 x 1013 V 15)An electron is released from rest at a distance of 9.00 cm from a proton. If th ...



V e) 6.3 x 1013 V 15)An electron is released from rest at a distance of 9.00 cm from a proton. If the proton is held in place, how fast will the electron be moving when it is 3.00 cm from the proton? (mel =9.11 x 10-31 kg, e=1.60 x 10-19 C, k=1/4 = 8.99 x 10⁹ Nm²/C2) a) 130 m/s b) 4.64 x 105 m/s c) 106 m/s d) 75.0 m/s e) 1.06 x 103 m/s LABORATORY QUESTIONS +5 mc T 3 cm 4 cm- 4 cm- -2 cm- P₁ +2 cm-3 cm P31 P2 4

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e) 15)An electron is released from rest at a distance of from a proton. If the proton is held in place, how fast will the electron be moving when it is from the proton? , ) a) b) d)


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We know that, the potential energy of the electron-proton system,

  



where U is the potential energy, k is Coulomb's constant, q1 and q2 are the charges of the two particles, and r is the distance between them.




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