49. Two small, identical foam spheres repel each other with a force of 2.05 × 10-4 N when they are 25.0 cm apart. Both spheres are forced to touch an identical, neutral third sphere that is then removed (see Figure 8.55). The two charged spheres now experience a force of 1.29 × 10-4 N when returned to their initial 25.0-cm separation. Fig.8.55 Before F = 2.05 x 10-4 N After 1.29 X 10-4 N 91 25 cm Neutral 92 Before F₂ = 2.05 x 10-4 N After 1.29 X 10-4 N a) What is the charge on each sphere after contact with the neutral sphere?

49. Two small, identical foam spheres repel each other with a force of 2.05 × 10-4 N when they are 25.0 cm apart. Both spheres are forced to touch an identical, neutral third sphere that is then removed (see Figure 8.55). The two charged spheres now experience a force of 1.29 × 10-4 N when returned to their initial 25.0-cm separation. Fig.8.55 Before F = 2.05 x 10-4 N After 1.29 X 10-4 N 91 25 cm Neutral 92 Before F₂ = 2.05 x 10-4 N After 1.29 X 10-4 N a) What is the charge on each sphere after contact with the neutral sphere?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter7: Electric Potential

Section: Chapter Questions

Problem 68P: (a) What is the electric field 5.00 m from die center of the terminal of a Van de Graaff with a...

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