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# Ib Physics Past Paper May 2012

In: Science

Submitted By dasright
Words 2100
Pages 9
M12/4/PHYSI/HPM/ENG/TZ1/XX

22126507

Physics
Higher level
Paper 1
Thursday 10 May 2012 (afternoon)
1 hour
INSTRUCTIONS TO CANDIDATES
• Do not open this examination paper until instructed to do so.
• Answer all the questions.
• For each question, choose the answer you consider to be the best and indicate your choice

on the answer sheet provided.

• A clean copy of the Physics Data Booklet is required for this paper.
• The maximum mark for this examination paper is [40 marks].

2212-6507

16 pages
© International Baccalaureate Organization 2012

M12/4/PHYSI/HPM/ENG/TZ1/XX

–2–
1.

The diagram below shows the forces acting on a block of weight it slides down a slope.
W as
The angle between the slope and the horizontal is θ, the normal reaction force on the block from the slope is N and friction is negligible.
N
θ θ W

θ

Which of the following gives the resultant force on the block?

A. sin θ
W
B. cos θ
W
C. sin θ
N
D. cos θ
N

2212-6507

–3–
2.

M12/4/PHYSI/HPM/ENG/TZ1/XX

The velocity–time graph for an accelerating object that is travelling in a straight line is shown below.
5.0
4.0 velocity / m s

–1

3.0
2.0
1.0
0

0 1.0 2.0 3.0 4.0 5.0 time / s

Which of the following is the change in displacement of the object in the first 5.0 seconds?

A.

25.0 m

B.

12.5 m

C.

5.0 m

D.

1.0 m

3.

The momentum of an object changes by ∆p in a time ∆t. What is the impulse acting on the object during this change?
A.

∆p

B.

∆p ∆t

C.

∆p
∆t

D. zero

2212-6507

Turn over

M12/4/PHYSI/HPM/ENG/TZ1/XX

–4–
4.

A pendulum swings back and forth in a circular arc between X and Y.

X

Y

The pendulum bob is

A.

always in equilibrium.

B.

only in equilibrium at X...

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