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17. Two particles, with charges of 20.0 nC and -20.0 nC, are placed at the points with coordi- nates (0, 4.00 cm) and (0, -4.00 cm) as shown in Figure P25.17. A par- ticle with charge 10.0 nC is located at the origin. (a) Find the electric potential energy of the configuration of the three 20.0 nC 4.00 cm 10.0 nC 3.00 cm 40.0 nC 4.00 cm fixed charges. -20.0 nC (b) A fourth particle, with a mass of 2.00 X 10-13 kg and a charge of 40.0 nC, is released from Figure P25.17 rest at the point (3.00 cm, 0). Find its speed after it has moved freely to a very large distance away.

17. Two particles, with charges of 20.0 nC and -20.0 nC, are placed at the points with coordi- nates (0, 4.00 cm) and (0, -4.00 cm) as shown in Figure P25.17. A par- ticle with charge 10.0 nC is located at the origin. (a) Find the electric potential energy of the configuration of the three 20.0 nC 4.00 cm 10.0 nC 3.00 cm 40.0 nC 4.00 cm fixed charges. -20.0 nC (b) A fourth particle, with a mass of 2.00 X 10-13 kg and a charge of 40.0 nC, is released from Figure P25.17 rest at the point (3.00 cm, 0). Find its speed after it has moved freely to a very large distance away.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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17. Two charges of 20.0 nC and -20.0 nC, are placed at the points with coordi- nates (0, 4.00 cm) and (0, -4.00 cm) as shown in Figure P25.17. A par- ticle with charge 10.0 nC is located at the origin. particles, with 20.0 nC 4.00 cm 10.0 nC 3.00 cm 40.0 nC (a) Find the electric potential energy of the configuration of the three 4.00 cm fixed charges. -20.0 nC( (b) A fourth particle, with a mass of 2.00 × 10-13 kg and a charge of 40.0 nC, is released from rest at the point (3.00 cm, 0). Find its speed after it has moved freely to a very large distance away. Figure P25.17 47. A wire having a uniform linear charge density A is bent w into the shape shown in Figure P25.47. Find the elec- tric potential at point O. R 2R 2R Figure P25.47
Transcribed Image Text:17. Two charges of 20.0 nC and -20.0 nC, are placed at the points with coordi- nates (0, 4.00 cm) and (0, -4.00 cm) as shown in Figure P25.17. A par- ticle with charge 10.0 nC is located at the origin. particles, with 20.0 nC 4.00 cm 10.0 nC 3.00 cm 40.0 nC (a) Find the electric potential energy of the configuration of the three 4.00 cm fixed charges. -20.0 nC( (b) A fourth particle, with a mass of 2.00 × 10-13 kg and a charge of 40.0 nC, is released from rest at the point (3.00 cm, 0). Find its speed after it has moved freely to a very large distance away. Figure P25.17 47. A wire having a uniform linear charge density A is bent w into the shape shown in Figure P25.47. Find the elec- tric potential at point O. R 2R 2R Figure P25.47
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