AP (Advanced Placement) Physics(B-C): Questions 105 - 108 of 921

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Question number: 105

» Kinematics in One and Two Dimensions

MCQ▾

Question

A bike is rest at and starts moving on straight path with constant acceleration from a position of and reach at position in . If after next nine seconds, the bike will reach at point , then what is the value of ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 106

» Kinematics in One and Two Dimensions

MCQ▾

Question

An object starts from rest at and accelerates at a constant rate, moving from a position of in . How far will the object move in the next four seconds?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 107

» Torque and Equilibrium

MCQ▾

Question

The distance from the elbow to the clenched fist of a person is . If the person slowly lifts an object of mass from horizontal by bending at the elbow, what is the torque exerted at the elbow?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 108

» Gravitation and Circular Motion

MCQ▾

Question

Student is given a ball of mass attached to a string of length and told to whirl the ball on the string in a vertical circle so that its velocity at the top is at a minimum. Student is given a ball of mass attached, which is attached a string of length and told him to whirl the ball, such that its speed matches the minimum speed of the one held by student at the top of each ball’s motion. In order to do this, student must make sure that the string tension is:

Choices

Choice (5) Response

a.

The same as the one held by Student

b.

Half the tension as the one held by Student

c.

Twice the tension as the one held by Student

d.

It’s not possible under these conditions to match the velocities.

e.

Question does not provide sufficient data or is vague

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