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2001 ib physis exam

# 2001 ib physis exam - INTERNATIONAL BACCALAUREATE...

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PHYSICS STANDARD LEVEL PAPER 1 Monday 19 November 2001 (afternoon) 45 minutes N01/430/S(1) INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL 881-179 15 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. Repeated measurements of a quantity can reduce the effects of A. both random and systematic errors. B. only random errors. C. only systematic errors. D. neither random nor systematic errors. 2. A vector v makes an angle ! with the x axis as shown. y x v ! As the angle ! increases from , how do the x and y components of v vary? 0 to 90 ! ! Decreases Decreases D. Increases Decreases C. Decreases Increases B. Increases Increases A. y component x component – 2 – N01/430/S(1) 881-179
3. Two stones P and Q are thrown from the top of a cliff, one straight up and the other straight down, at the same initial speed. Both eventually hit the ground. P Q If air resistance is negligible, what will be true of the speeds with which the stones hit the ground? A. Stone P hits the ground with the greater speed. B. Stone Q hits the ground with the greater speed. C. Both stones hit the ground with the same speed. D. The comparative speeds of impact depend on the height of the cliff. 4. A ball is thrown vertically upward. If air resistance is negligible, which one of the diagrams below is the correct free-body force diagram showing the force(s) on the ball when it is on the way up? – 3 – N01/430/S(1) 881-179 Turn over

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5. A car travels along a straight road. It first accelerates from rest, then travels at a constant velocity, then decelerates to a stop. It then remains at rest. Which graph below best represents the displacement s of the car as a function of time t ? s t s t s t A. B. D. s t C. 6. An iron cannon ball is projected horizontally from a cliff and lands on the ground below, a certain distance from the base of the cliff. Air resistance is negligible. If a more massive iron ball were to be projected at the same speed,
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2001 ib physis exam - INTERNATIONAL BACCALAUREATE...

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