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The work done on the electric field generated by the stationary charge +Q to move a charge +q from P to T to R is W1. The work done to move the same charge from P to S to R is W2. Which is necessarily true concerning W1 and W2? ()

A. W1 > W2
B. W2 > W1
C. W2 = W1
D. W1 > 0, W2 < 0
E. W1 < 0, W2 > 0

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A charge +Q is fixed in position as a small charge +q is brought near it and released from rest. Which best describes the magnitude of the velocity of the charge +q as r, the distance between the charges increases? ()

A. The magnitude of the velocity will increase, and its rate of increase will also increase.
B. The magnitude of the velocity will increase, but its rate of increase will decrease.
C. The magnitude of the velocity will remain constant.
D. The magnitude of the velocity will decrease, and its rate of decrease will also decrease.
E. The magnitude of velocity will increase, but its rate of decrease will increase.

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The electrostatic force between two positive point charges doubles. Which of the following is the most likely explanation for this?()

A. The mass of one of the particles doubled.
B. The charge on both particles doubled.
C. The charge on one particle was halved.
D. The distance between the charges was doubled.
E. The charge on one particle was quadrupled, while the other was halved.

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Two 1 kg spheres each carry a charge of 1 C. Compared to the electrostatic force between the spheres, the gravitational force between them is ()

A. much greater
B. about equal
C. much less
D. more dependent upon the distance
E. stronger if the charges are the same sign, but weaker if the charges have opposite signs

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The motion of large bodies at great distances is governed primarily by gravity and not by the electrostatic force because ()

A. gravity is a much stronger force than the electrostatic force
B. the electrostatic force is felt only over short distances
C. of the relative scarcity of antiparticles
D. the majority of matter is electrically neutral
E. the electrostatic force is canceled out by the magnetic force

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The work done on the electric field generated by the stationary charge +Q to move a charge +q from P to T to R is W1. The work done to move the same charge from P to S to R is W2. Which is necessarily true concerning W1 and W2? ()

A. W1 > W2 B. W2 > W1 C. W2 = W1 D. W1 > 0, W2 < 0 E. W1 < 0, W2 > 0

A charge +Q is fixed in position as a small charge +q is brought near it and released from rest. Which best describes the magnitude of the velocity of the charge +q as r, the distance between the charges increases? ()

The electrostatic force between two positive point charges doubles. Which of the following is the most likely explanation for this?()

Two 1 kg spheres each carry a charge of 1 C. Compared to the electrostatic force between the spheres, the gravitational force between them is ()

The motion of large bodies at great distances is governed primarily by gravity and not by the electrostatic force because ()

A. W1 > W2
B. W2 > W1
C. W2 = W1
D. W1 > 0, W2 < 0
E. W1 < 0, W2 > 0