A small metal sphere, carrying a net charge of q1 = -2.60 µC, is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q2 = -7.20 µC and mass 1.90 g, is projected toward q1. When the two spheres are 0.800 m apart, q2 is moving toward q1 with speed 22.0 m/s (Figure 1). Assume that the two spheres can be treated as point charges. You can ignore the force of gravity.

A small metal sphere, carrying a net charge of q1 = -2.60 µC, is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q2 = -7.20 µC and mass 1.90 g, is projected toward q1. When the two spheres are 0.800 m apart, q2 is moving toward q1 with speed 22.0 m/s (Figure 1). Assume that the two spheres can be treated as point charges. You can ignore the force of gravity.

College Physics

11th Edition

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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Question

I Revi
A small metal sphere, carrying a net charge of
q1 = -2.60 µC, is held in a stationary position by insulating
supports. A second small metal sphere, with a net charge
of q2 = -7.20 µC and mass 1.90 g, is projected toward q1.
When the two spheres are 0.800 m apart, q2 is moving
toward q1 with speed 22.0 m/s (Figure 1). Assume that
the two spheres can be treated as point charges. You can
ignore the force of gravity.
Part A
What is the speed
q2 when the spheres are 0.400 m apart?
Express your answer with the appropriate units.
HA
Value
m/s
Submit
Request Answer
Part B
How close does q2 get to q1?
Express your answer in meters.
HA
Value
r =
Submit
Request Answer
Provide Feedback
Figure
1 of 1
<>
v = 22.0 m/s
92
K 0.800 m

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