AP (Advanced Placement) Physics(B-C): Questions 862 - 864 of 920

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Question number: 862

» Thermodynamics

MCQ▾

Question

of ice at is placed in a jug containing of liquid water at . Assume that there is no heat transfer from the water to the glass or to the environment. How much ice melted at thermal equilibrium?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 863

» Force and Newton's Law of Motion

MCQ▾

Question

A man of mass , skates on a diffused surface. Initially, its speed was , and due to force of friction in it has slowed down to . What is the magnitude of the average friction force exerted on person? (Assume no other forces are exerted on the person)

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 864

» Torque and Equilibrium

MCQ▾

Question

A mass of 5 kg suspended by two ropes

A Mass of 5 Kg Suspended by Two Ropes

In figure, a mass of 5 kg suspended by two ropes is shown.

As shown in above figure, a mass of suspended by two ropes. Rope – 1 made angle with vertical and Rope – 2 made angle with vertical. If mass is at equilibrium, then which of the following is showing correct tensions of ropes? (Take )

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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