An alpha particle (a helium nucleus, having charge +2e and mass 6.64 × 10-27 kg) moves head-on at a fixed gold nucleus (having charge +79e). If the distance of closest approach is 2.0 × 10-10 m, what was the speed of the alpha particle when it was very far away from the gold? (k = 1/4πε0 = 9.0 × 109 N • m2/C2, e = 1.60 × 10-19 C)
An alpha particle (a helium nucleus, having charge +2e and mass 6.64 × 10-27 kg) moves head-on at a fixed gold nucleus (having charge +79e). If the distance of closest approach is 2.0 × 10-10 m, what was the speed of the alpha particle when it was very far away from the gold? (k = 1/4πε0 = 9.0 × 109 N • m2/C2, e = 1.60 × 10-19 C)
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter26: Electric Potential
Section: Chapter Questions
Problem 13PQ: A proton is fired from very far away directly at a fixed particle with charge q = 1.28 1018 C. If...
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An alpha particle (a helium nucleus, having charge +2e and mass 6.64 × 10-27
kg) moves head-on at a fixed gold nucleus
(having charge +79e). If the distance of closest approach is 2.0 × 10-10
m, what was the speed of the alpha particle when it
was very far away from the gold? (k = 1/4πε0
= 9.0 × 109 N • m2/C2, e = 1.60 × 10-19
C)
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