paper 3 2001

Paper 3 2001

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Unformatted text preview: N01/430/S(3) INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL Name PHYSICS STANDARD LEVEL PAPER 3 Number Tuesday 20 November 2001 (morning) 1 hour INSTRUCTIONS TO CANDIDATES ! ! ! ! Write your candidate name and number in the boxes above. Do not open this examination paper until instructed to do so. Answer all of the questions from two of the Options in the spaces provided. At the end of the examination, indicate the letters of the Options answered in the boxes below. OPTIONS ANSWERED EXAMINER TEAM LEADER IBCA /20 /20 /20 /20 /20 /20 TOTAL TOTAL /40 881-181 TOTAL /40 /40 33 pages –2– N01/430/S(3) OPTION A — MECHANICS EXTENSION A1. In our Solar system, the Moon orbits the Earth while the Earth orbits the Sun. Both orbits are approximately circular. The following diagram is not to scale. Moon Earth Sun The following tables give the masses of the Sun, Earth and Moon and their distances apart: Body Sun 1.99 ×1030 Earth 5.98 ×10 24 Moon 7.35 × 1022 Measurement Radius of orbit / m Average distance from Sun to Earth (and Moon): 1.50 × 1011 m Average distance from Earth to Moon: (a) Mass / kg 3.84 ×108 m State Newton’s law of universal gravitation. [2] ......................................................................... ......................................................................... ......................................................................... (This question continues on the following page) 881-181 –3– N01/430/S(3) (Question A1 continued) (b) (c) On the diagram opposite add two arrows to show the direction of the forces which act on the Moon. [2] Calculate the ratio: gravitational force on the Moon due to the EARTH gravitational force on the Moon due to the SUN [3] ......................................................................... ......................................................................... ......................................................................... ......................................................................... ......................................................................... ......................................................................... (d) If the Earth was not present, what would be the motion of the Moon? Explain your answer. [3] ......................................................................... ......................................................................... ......................................................................... 881-181 Turn over –4– N01/430/S(3) A2. A white billiard ball moving at 0.5 m s −1 strikes a stationary black billiard ball. See Diagram 1. As a result of the collision, the white ball changes its direction of motion by 30! and its speed becomes 0.2 m s −1. See Diagram 2. The mass of each billiard ball is 200 g. Before: ____________________ 0.5 m s −1 Stationary Diagram 1 After: 0.2 m s −1 30! _________________________ v m s −1 Diagram 2 (a) (b) On Diagram 2, add an arrow to show the direction of the total momentum of the two billiard balls after the collision. [1] Calculate the speed and the direction of the black ball after collision. [6] ......................................................................... ......................................................................... ..........................................................
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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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