AP (Advanced Placement) Physics(B-C): Questions 45 - 47 of 920

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Question number: 45

» Kinematics in One and Two Dimensions

MCQ▾

Question

Which of the following could be true for an object moving with constant acceleration?

Choices

Choice (5) Response

a.

It increases its velocity.

b.

It moves in a circle.

c.

It decreases its velocity.

d.

All a. , b. and c. are correct

e.

Question does not provide sufficient data or is vague

Question number: 46

» Electrostatics

MCQ▾

Question

As shown in following figure, two charges of amd are placed on the x axis, at a positions and , respectively. At what point on axis net electric potential equal to zero?

Two charges +2q and -4q on a line

Two Charges + 2q and -4q on a Line

In figure two charges + 2q and -4q are placed on a line

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 47

» Kinematics in One and Two Dimensions

MCQ▾

Question

An air rocket is fired vertically at velocity , rises to a height from the ground , and remains in the air for a time . When the same rocket is fired at at an angle of above the ground:

Choices

Choice (5) Response

a.

The rocket reaches an altitude less than and it is in the air for a time greater than

b.

The rocket reaches an altitude greater than and it is in the air for a time greater than

c.

The rocket reaches an altitude less than and it is in the air for the same time as

d.

The rocket reaches an altitude less than and it is in the air for a time less than

e.

Question does not provide sufficient data or is vague

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