AP (Advanced Placement) Physics(B-C): Questions 528 - 531 of 920

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Question number: 528

» Torque and Equilibrium

MCQ▾

Question

If three forces act on a point as: , then what fourth force will put on that point, to get equilibrium condition?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 529

» Atomic & Nuclear Physics

MCQ▾

Question

Particles with mass may be given off by a nucleus through the process of radioactive decay, thus reducing the mass of the nucleus. Which of the following is NOT one of these particles?

Choices

Choice (5) Response

a.

Electrons

b.

Gammas

c.

Alpha particles

d.

Positrons

e.

All of the above

Question number: 530

» Linear Momentum

MCQ▾

Question

Sphere is moving to the right at speed , collides totally inelastically with an identical sphere moving to the left at speed . What occurs after the collision?

Choices

Choice (5) Response

a.

Sphere moves to the right at and Sphere moves to the left at .

b.

The spheres move together to the left at speed .

c.

Sphere moves to the right at and Sphere moves to the left at .

d.

The spheres move together to the right at speed .

e.

All of the above

Question number: 531

» Work, Energy and Power

MCQ▾

Question

A ball of mass is freely fallen from a tower of height of above the ground. What is the kinetic energy of the ball when it has fallen halfway?

(Take )

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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