Physics SL P1

# Physics SL P1 - c IB DIPLOMA PROGRAMME PROGRAMME DU DIPLME...

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PHYSICS STANDARD LEVEL PAPER 1 Monday 19 May 2003 (afternoon) 45 minutes M03/430/S(1)+ IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI c 223-179 14 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. When a voltage V of 12.2 V is applied to a DC motor, the current I in the motor is 0.20 A. Which one of the following is the output power VI of the motor given to the correct appropriate number of significant digits? A. 2 W B. 2.4 W C. 2.40 W D. 2.44 W 2. The diagram below shows a boat that is about to cross a river in a direction perpendicular to the bank at a speed of . The current flows at in the direction shown. 1 0.8ms 1 0.6ms 1 Bank Boat Bank The magnitude of the displacement of the boat 5 seconds after leaving the bank is A. 3 m. B. 4 m. C. 5 m. D. 7 m. – 2 – M03/430/S(1)+ 223-179 1 0.8ms
3. 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 4. A ball, initially at rest, takes time t to fall through a vertical distance h . If air resistance is ignored, the time taken for the ball to fall from rest through a vertical distance 9 h is A. 3 t . B. 5 t . C. 9 t . D. 10 t . – 3 – M03/430/S(1)+ 223-179 Turn over

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5. A raindrop falling through air reaches a terminal velocity before hitting the ground. At terminal velocity, the frictional force on the raindrop is A. zero. B. less than the weight of the raindrop. C. greater than the weight of the raindrop. D. equal to the weight of the raindrop. 6. When a body is accelerating, the resultant force acting on it is equal to its A. change of momentum. B. rate of change of momentum. C. acceleration per unit of mass. D. rate of change of kinetic energy. 7. An object is moved from the surface of the Earth to the surface of the Moon. The acceleration of free fall on the Moon is less than that on the Earth. Which one of the following describes the change, if any, in its gravitational mass and its weight?
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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 SL P1 - c IB DIPLOMA PROGRAMME PROGRAMME DU DIPLME...

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