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paper 1 2000

paper 1 2000 - INTERNATIONAL BACCALAUREATE BACCALAURAT...

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PHYSICS STANDARD LEVEL PAPER 1 Friday 10 November 2000 (afternoon) 45 minutes N00/430/S(1) INTERNATIONAL BACCALAUREATE BACCALAUR°AT INTERNATIONAL BACHILLERATO INTERNACIONAL 880-235 16 pages 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.

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1. The frequency of oscillation f of a mass m suspended from a vertical spring is given by 1 2 k f m π = where k is the spring constant. Which one of the following plots would produce a straight-line graph? A. f against m B. 2 1 against f m C. against f m D. against m 1 f 2. The power P dissipated in a resistor of resistance R in which there is a current I is given by 2 P I R = The uncertainty in the value of resistance of a particular resistor is ! 10% and the uncertainty in the value of the current in the resistor is ! 3%. The best estimate for the uncertainty of the power dissipated is A. ! 6%. B. ! 9%. C. ! 16%. D. ± 19%. 3. When a car is moving at a speed v in a straight line the total force opposing its motion is F . The product Fv is a measure of the A. power developed by the car. B. rate of change of momentum of the car. C. work done by the car against the frictional forces. D. rate of change of kinetic energy of the car. ± 2 ± N00/430/S(1) 880-235