AP (Advanced Placement) Physics(B-C): Questions 5 - 8 of 921

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Question number: 5

» Gravitation and Circular Motion

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MCQ▾

Question

An object is whirled in a vertical circular path by an attached string. For the speed of the object to remain constant at every point, the tension in the string must be:

Choices

Choice (5)Response

a.

zero at the top of its path

b.

kept constant

c.

greater when the object is at the bottom of its path

d.

greater when the object is at the top of its path

e.

All of the above

Question number: 6

» Gravitation and Circular Motion

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MCQ▾

Question

An object traveling in a circle with constant speed has:

Choices

Choice (5)Response

a.

A constant tangential acceleration

b.

A constant velocity

c.

An inward radial acceleration

d.

An outward radial acceleration

e.

All of the above

Question number: 7

» Gravitation and Circular Motion

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MCQ▾

Question

The radius of the circular path of an object, is doubled, and its speed to remain the same. The centripetal force on the object must be:

Choices

Choice (5)Response

a.

One fourth as much as before

b.

Twice as great as before

c.

The same as before

d.

Half as much as before

e.

None of the above

Question number: 8

» Electrostatics

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MCQ▾

Question

Two particles, each carrying a net charge of , are placed on the axis at and , as shown in the figure. What is the electric field due to the two charges, at at point P that is located at position ?

Two charges placed on x axis

Two Charges Placed on X Axis

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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