PhysicsSLpaper1（2）_IB物理试卷作文我的妈妈
2209-6510
15 pages
M09/4/PHYSI/SPM/ENG/TZ1/XX
仿膳的拼音Tuesday 12 May 2009 (afternoon)Physics
standard level PaPer 1
一刻永远INSTRUCTIONS TO CANDIDATES
Do not open this examination paper until instructed to do so.? Answer all the questions.
For each question, choo the answer you consider to be the best and indicate your choice
on the answer sheet provided.
45 minutes
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1. A volume is measured to be 52 mm3. This volume in m3 is
A. 5.2 × 103 m3.
B. 5.2 × 101 m3.
C. 5.2 × 10?1 m3.
D. 5.2 × 10?8 m3.
2. The mass and weights of different objects are independently measured. The graph is a plot of
weight versus mass that includes error bars.
Weight / N 50
40
30
20
10
长方形户型设计图Mass / kg
The experimental results suggest that the
A. measurements show a significant systematic error but small random error.
B. measurements show a significant random error but small systematic error.
C. measurements are preci but not accurate.
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D. weight of an object is proportional to its mass.
3. A skydiver jumped out of an airplane. On reaching a terminal speed of 60 m s?1, she opened
her parachute. Which of the following describes her motion after opening her parachute?
A. She went upwards for a short time, before falling to Earth at a speed of 60 m s?1.
B. She continued downwards at 60 m s?1, but hit the ground with less force.
C. She continued to fall but reached a new terminal speed of less than 60 m s?1.
D. She went upwards for a short time, before falling to Earth at a speed of less than 60 m
s?1.
4. The graph is a speed versus time graph for an object that is moving in a straight line.
Speed / m s–120
15
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10
阅读思维导图5
0 1.0 2.0 3.0 4.0
Time / s
The distance travelled by the object during the first 4.0 conds is
A. 80 m.
B. 40 m.
C. 20 m.
D. 5 m.
5. The diagram shows a girl attempting (but failing) to lift a heavy suitca of weight W.
The magnitude of the vertical upwards pull of the girl on the suitca is P and the magnitude of the vertical reaction of the floor on the suitca is R.
Which equation correctly relates W, P and R?
A. W = P + R
B. W > P + R
C. W < P + R
D. W = P = R
6. Objects A and B collide together. They end up joined together and stationary. During the collision,
a force +F is exerted on object A by object B. According to Newton’s third law, there will also be a
force of
A. – F acting on object
B.
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B. – F acting on object A.
C. + F acting on object B.
D. + F acting on object A.
7. A lift (elevator) is operated by an electric motor. It moves between the 10th floor and the 2nd floor at a
constant speed. One main energy transformation during this journey is
