AP (Advanced Placement) Physics(B-C): Questions 714 - 717 of 920

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Question number: 714

» Gravitation and Circular Motion

MCQ▾

Question

Assume that a piece of space debris is in a circular orbit at a distance from Earth’s surface. If Earth’s radius is and the period of the orbit is , what is the speed in orbit of the space debris?

Choices

Choice (5) Response

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b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 715

» Torque and Equilibrium

MCQ▾

Question

A metal rod of mass and length is balanced on pivot horizontally, when pivot is at half-length of rod. A weight of is hanged on right end of the rod, the pivot must be displaced right side from the mid – point of the rod. What is the approximate displacement of pivot from mid – point after weight hanged?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 716

» Electrostatics

MCQ▾

Question

Three charges on vertex of equilateral triangle

Three Charges on Vertex of Equilateral Triangle

In figure, three identical charges are placed on vertex of equilateral triangle is shown.

Three identical charges are located on the vertex of an equilateral triangle of side . What is the net electrostatic potential at orthocenter of the triangle?

Choices

Choice (5) Response

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b.

c.

d.

e.

None of the above

Question number: 717

» Fluids & Solids

MCQ▾

Question

A metallic wire of length and cross – section area , is stretched by a load . What is stress produced in the wire?

(Let )

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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