has the coordinates (0, 8.00 cm), q, has the coordinates

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Chapter1: Units, Trigonometry. And Vectors
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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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Three charged particles of q, = 70.0 nC, g, = -70.0 nC, and g, = 35.0 nC are placed on the y-axis, as shown in the figure.
Charge q, has the coordinates (0, 8.00 cm), g, has the coordinates (o, -8.00 cm), and q, is located at the origin.
(a) Find the electric potential energy (in J) of the configuration of the three fixed charges.
(b) A fourth particle, with a mass of 1.56 x 10-13 kg and a charge of q, = 140.0 nC, is released from rest at the point (6.00 cm, 0). Find its speed (in m/s) after it has moved freely to a very large
distance away.
m/s
Transcribed Image Text:Three charged particles of q, = 70.0 nC, g, = -70.0 nC, and g, = 35.0 nC are placed on the y-axis, as shown in the figure. Charge q, has the coordinates (0, 8.00 cm), g, has the coordinates (o, -8.00 cm), and q, is located at the origin. (a) Find the electric potential energy (in J) of the configuration of the three fixed charges. (b) A fourth particle, with a mass of 1.56 x 10-13 kg and a charge of q, = 140.0 nC, is released from rest at the point (6.00 cm, 0). Find its speed (in m/s) after it has moved freely to a very large distance away. m/s
Expert Solution
Step 1
  • The electric potential energy of an object is a function of charge possessed by the particle and its position relative to the neighboring charges.
  • Potential energy is defined as ,

                               U = kQqr.....................1

                        where r is the seperation between charges.

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