AP (Advanced Placement) Physics(B-C): Questions 141 - 144 of 921

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Question number: 141

» Electrostatics

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MCQ▾

Question

A negatively charged rod is brought near a second rod, which is neutral and suspended by a non-conducting string. The second rod begins to move toward the negative rod, showing attraction of the two rods. After the first rod is removed, the second rod

Choices

Choice (5)Response

a.

has a positive net charge

b.

has not net charge

c.

has a negative net charge

d.

is polarized, with one end negative and one end positive

e.

Question does not provide sufficient data or is vague

Question number: 142

» Electrostatics

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MCQ▾

Question

The atomic radius of a carbon atom is about , or about . What is the force of the nucleus of a carbon atom on an outer-shell electron at that radial distance?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 143

» Kinematics in One and Two Dimensions

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Question

Which of the following equations describing acceleration , displacement , time , and velocity for a moving object could be dimensionally correct?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 144

» Electrostatics

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MCQ▾

Question

An isolated solid metal sphere, that placed on an insulating stand, is given a net charge of . Which of the following statements best describes the charged sphere?

Choices

Choice (5)Response

a.

The net charge will be distributed uniformly over the surface of the sphere.

b.

The net charge will be distributed uniformly throughout the volume of the sphere.

c.

The net charge will concentrate on the side of the sphere near the insulating stand.

d.

The net charge will be distributed uniformly, with half the charge on the outside of the sphere and half the charge on the inside of the sphere.

e.

None of the above

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