Gravitational Potential Energy
N09/4/PHYSI/SPM/ENG/TZ0/XX+
88096504
Physics standard level PaPer 1 Monday 16 November 2009 (afternoon) 45 minutes 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.
8809-6504
16 pages © International Baccalaureate Organization 2009
– 2 – 1.
N09/4/PHYSI/SPM/ENG/TZ0/XX+
The time elapsed since the beginning of the universe is of the order of A. B. C. D. 108 s. 1018 s. 1028 s. 1038 s.
2.
In an experiment to measure the acceleration of free fall at the surface of the Earth the following results were obtained. Acceleration of free fall / m s–2 7.69 7.70 7.69 7.68 7.70
The results are A. B. C. D. accurate and precise. inaccurate but precise. accurate but imprecise. inaccurate and imprecise.
3.
Two balls of different mass are dropped from the top of a tall building one after the other. The distance between the balls A. B. C. D. increases with time. depends on the initial velocity only. remains constant. depends on the mass of the balls.
8809-6504
– 3 – 4.
N09/4/PHYSI/SPM/ENG/TZ0/XX+
The graph shows how the velocity of a particle varies with time. velocity
0
time
Which of the following graphs correctly shows how the acceleration of the particle varies with time? A. acceleration B. acceleration
0
time
0
time
C.
acceleration
D.
acceleration
0
time
0
time
8809-6504
Turn over
– 4 – 5.
N09/4/PHYSI/SPM/ENG/TZ0/XX+
An aircraft is flying at constant speed in a horizontal circle. Which of the following diagrams best illustrates the forces acting on the aircraft in the vertical plane? A. B.
C.
D.
6.
For a particle moving at constant speed in a horizontal circle,
88096504
Physics standard level PaPer 1 Monday 16 November 2009 (afternoon) 45 minutes 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.
8809-6504
16 pages © International Baccalaureate Organization 2009
– 2 – 1.
N09/4/PHYSI/SPM/ENG/TZ0/XX+
The time elapsed since the beginning of the universe is of the order of A. B. C. D. 108 s. 1018 s. 1028 s. 1038 s.
2.
In an experiment to measure the acceleration of free fall at the surface of the Earth the following results were obtained. Acceleration of free fall / m s–2 7.69 7.70 7.69 7.68 7.70
The results are A. B. C. D. accurate and precise. inaccurate but precise. accurate but imprecise. inaccurate and imprecise.
3.
Two balls of different mass are dropped from the top of a tall building one after the other. The distance between the balls A. B. C. D. increases with time. depends on the initial velocity only. remains constant. depends on the mass of the balls.
8809-6504
– 3 – 4.
N09/4/PHYSI/SPM/ENG/TZ0/XX+
The graph shows how the velocity of a particle varies with time. velocity
0
time
Which of the following graphs correctly shows how the acceleration of the particle varies with time? A. acceleration B. acceleration
0
time
0
time
C.
acceleration
D.
acceleration
0
time
0
time
8809-6504
Turn over
– 4 – 5.
N09/4/PHYSI/SPM/ENG/TZ0/XX+
An aircraft is flying at constant speed in a horizontal circle. Which of the following diagrams best illustrates the forces acting on the aircraft in the vertical plane? A. B.
C.
D.
6.
For a particle moving at constant speed in a horizontal circle,