Three point charges Q₁ = -2.64 nC, Q2 = 3.24 nC and Q3 = 3.45 nC are shown in the figure. The distance in the figure are: d₁ = 1.10 cm, d₂ = 1.47 cm, d3= 1.54 cm and d4 = 1.32 cm The figure is not to scale. Use k=8.99 x 10° Nm²/C². (a) If a proton is released from rest at point "B, how fast is it moving when it is very far away from the three charges? VC = (b) How fast would the proton need to be moving very far away from the three charges to reach "B with a speed of 9.78 × 105 m/s? vd = (c) If an electron is released from rest very far away from the three charges shown, how fast would it be moving at "B? VE = (d) How fast must an electron be moving at "B to come to rest very far away from the three charges?

Three point charges Q₁ = -2.64 nC, Q2 = 3.24 nC and Q3 = 3.45 nC are shown in the figure. The distance in the figure are: d₁ = 1.10 cm, d₂ = 1.47 cm, d3= 1.54 cm and d4 = 1.32 cm The figure is not to scale. Use k=8.99 x 10° Nm²/C². (a) If a proton is released from rest at point "B, how fast is it moving when it is very far away from the three charges? VC = (b) How fast would the proton need to be moving very far away from the three charges to reach "B with a speed of 9.78 × 105 m/s? vd = (c) If an electron is released from rest very far away from the three charges shown, how fast would it be moving at "B? VE = (d) How fast must an electron be moving at "B to come to rest very far away from the three charges?

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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B
Q3
d₁
d₂
d3
d4
Three point charges Q₁ = -2.64 nC, Q2 = 3.24 nC and Q3 = 3.45 nC are shown in the figure. The distance in the figure are: d₁ = 1.10 cm, d₂ = 1.47 cm, d3 = 1.54 cm and d4 = 1.32 cm.
The figure is not to scale. Use k=8.99 × 10⁹ Nm²/C².
(a) If a proton is released from rest at point *B, how fast is it moving when it is very far away from the three charges?
VC =
(b) How fast would the proton need to be moving very far away from the three charges to reach *B with a speed of 9.78 x 105 m/s?
VD=
(c) If an electron is released from rest very far away from the three charges shown, how fast would it be moving at *B?
VE =
(d) How fast must an electron be moving at *B to come to rest very far away from the three charges?
UF =

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