Physics HL P1

Physics HL P1 - c 1 hour IB DIPLOMA PROGRAMME PROGRAMME DU...

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PHYSICS HIGHER LEVEL PAPER 1 Monday 19 May 2003 (afternoon) 1 hour M03/430/H(1)+ IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI c 223-170 22 pages INSTRUCTIONS TO CANDIDATES y Do not open this examination paper until instructed to do so. y Answer all the questions. y For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided.
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1. Natalie measures the mass and speed of a glider. The percentage uncertainty in her measurement of the mass is 3 % and in the measurement of the speed is 10 %. Her calculated value of the kinetic energy of the glider will have an uncertainty of A. 30 %. B. 23 %. C. 13 %. D. 10 %. 2. The graph shows the variation with time t of the velocity v of an object. v t Which one of the following graphs best represents the variation with time t of the acceleration a of the object? B. a t 0 0 A. a t 0 0 D. a t 0 0 C. a t 0 0 – 2 – M03/430/H(1)+ 223-170
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3. A rocket is fired vertically. At its highest point, it explodes. Which one of the following describes what happens to its total momentum and total kinetic energy as a result of the explosion? unchanged increased D. increased increased C. unchanged unchanged B. increased unchanged A. Total kinetic energy Total momentum 4. Which one of the following units is a unit of energy? A. eV B. 1 Ws C. 1 Wm D. 1 Nms 5. Two satellites of equal mass, and , orbit the Earth. is orbiting at a distance r from the Earth’s 1 S 2 S 1 S centre at speed v . orbits at a distance 2 r from the Earth’s centre at speed . The ratio of the 2 S 2 v centripetal force on to the centripetal force on is 1 S 2 S A. . 1 8 B. . 1 4 C. 4. D. 8. – 3 – M03/430/H(1)+ 223-170 Turn over
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6. A block is at rest on a rough plane inclined at an angle ± relatively to the horizontal. F ± The angle ± is slowly reduced. Which one of the following correctly describes the changes, if any, in the frictional force F and the coefficient of static friction between the block and the plane? constant increases D. increases increases C. constant decreases B. increases decreases A. Coefficient of static friction Frictional force F 7. A powered spaceship is moving directly away from a planet as shown below. planet P Spaceship At point P the motors of the spaceship are switched off but the spaceship remains under the influence of the planet. Which one of the following graphs best represents the variation with time t of the velocity v of the spaceship after it passes point P? B. v t 0 0 A. v t 0 0 D. v t 0 0 C. v t 0 0 – 4 – M03/430/H(1)+ 223-170
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8. Which one of the following graphs best represents the variation of the kinetic energy, KE, and of the gravitational potential energy, GPE, of an orbiting satellite with its distance r from the centre of the Earth? B. 0 0 Energy r KE GPE A. 0 0 Energy r KE GPE D. 0 0 Energy r KE GPE C. 0 0
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This note was uploaded on 09/30/2011 for the course CHEM 102 taught by Professor Tina during the Spring '11 term at Global.

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Physics HL P1 - c 1 hour IB DIPLOMA PROGRAMME PROGRAMME DU...

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