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Chapter 22: Q. 48 (page 626)

The net force on the1.0nCcharge in FIGUREP22.48is zero What isq?

Short Answer

Expert verified

Charge with net force is0.68nC.

Step by step solution

01

Figure for charge on net force

Figure is ,

02

Calculation for charge

Horizontal components are cancelled out by each other.

The vertical component's force is upward.

Because the web force onqis zero.

qmust be negative charged, causing to fall.

2Fcosθ=Fe

cosθ=213

2×14πϵo×(2)(1)13×213=14πϵo×(1)(q)(2)2

q=8×4133=0.68nc

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Most popular questions from this chapter

A 2.0 g plastic bead charged to -4.0 nC and a 4.0 g glass bead charged to +8.0 nC are 2.0 cm apart and free to move. What are the accelerations of

(a) the plastic bead and

(b) the glass bead?

The two oppositely charged metal spheres in FIGURE have equal quantities of charge. They are brought into contact with a neutral metal rod. What is the final charge state of each sphere and of the rod? Use both charge diagrams and words to explain.

What are the strength and direction of an electric field that will balance the weight of a 1.0 g plastic sphere that has been charged to -3.0 nC?

A glass rod that has been charged to +12 nC touches a metal sphere. Afterward, the rod’s charge is +8.0 nC.

a. What kind of charged particle was transferred between the rod and the sphere, and in which direction? That is, did it move from the rod to the sphere or from the sphere to the rod?

b. How many charged particles were transferred?

What is the force F→on the -10nCcharge in FIGURE P22.42? Give your answer as a magnitude and an angle measured cw or ccw (specify which) from the+x-axis.
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