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A small metal sphere, carrying a net charge of q1 = -2.50 µC, is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q2 = -7.60 µC and mass 1.40 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 0.450 m apart? Express your answer with the appropriate units. Part B How close does q2 get to q1?

A small metal sphere, carrying a net charge of q1 = -2.50 µC, is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q2 = -7.60 µC and mass 1.40 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 0.450 m apart? Express your answer with the appropriate units. Part B How close does q2 get to q1?

An Introduction to Physical Science
An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter15: Place And Time
Section15.3: Time
Problem 1PQ
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A small metal sphere, carrying a net charge of q1 = -2.50 µC, is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q2 = -7.60 µC and mass 1.40 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 0.450 m apart? Express your answer with the appropriate units.

Part B

How close does q2 get to q1?

92 v = 22.0 m/s 0.800 m
Transcribed Image Text:92 v = 22.0 m/s 0.800 m
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