Field and force with three charges At a particular moment, one negative and two positive charges are located as shown in the figure. Your answers to each part of this problem should be vectors. It helps a great deal to make a diagram with arrows representing the various electric field contributions, and then check the signs of your components against these arrows. Let Q₁ = 1 μC, Q₂ = 5 μC, and Q3 = -4 μC. (a) Find the electric field at the location of Q1, due to Q₂ and Q3. E N/C (b) Use the electric field you calculated in part (a) to find the force on Q1. F = N (c) Find the electric field at location A, due to all three charges. шот Q1 Q3 22 (d) An alpha particle (He2+, containing two protons and two neutrons) is released from rest at location A. Use your answer from part (c) to determine the initial acceleration of the alpha particle. (Use 6.646 x 10-27 kg for the mass of He²+.) m/s² a = N/C

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Chapter25: Gauss’s Law
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Field and force with three charges
At a particular moment, one negative and two positive charges are located as shown in the figure. Your answers to each part of this problem should be vectors. It helps a great deal to make a diagram with arrows representing the various electric field contributions, and
then check the signs of your components against these arrows.
Let Q₁ = 1 μC, Q₂ = 5 μC, and Q3 = -4 μC.
(a) Find the electric field at the location of Q1, due to Q₂ and Q3.
E
N/C
(b) Use the electric field you calculated in part (a) to find the force on Q1.
F =
N
(c) Find the electric field at location A, due to all three charges.
шот
Q1
Q3
22
(d) An alpha particle (He2+, containing two protons and two neutrons) is released from rest at location A. Use your answer from part (c) to determine the initial acceleration of the alpha particle. (Use 6.646 x 10-27 kg for the mass of He²+.)
m/s²
a =
N/C
Transcribed Image Text:Field and force with three charges At a particular moment, one negative and two positive charges are located as shown in the figure. Your answers to each part of this problem should be vectors. It helps a great deal to make a diagram with arrows representing the various electric field contributions, and then check the signs of your components against these arrows. Let Q₁ = 1 μC, Q₂ = 5 μC, and Q3 = -4 μC. (a) Find the electric field at the location of Q1, due to Q₂ and Q3. E N/C (b) Use the electric field you calculated in part (a) to find the force on Q1. F = N (c) Find the electric field at location A, due to all three charges. шот Q1 Q3 22 (d) An alpha particle (He2+, containing two protons and two neutrons) is released from rest at location A. Use your answer from part (c) to determine the initial acceleration of the alpha particle. (Use 6.646 x 10-27 kg for the mass of He²+.) m/s² a = N/C
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