RGS 2014 Year 3 Physics Performance Task (A) Introduction This report is the analysis of the motion of a Slinky dropping. When a slinky is fully extended and then released, it can be seen that the top and bottom of the slinky act somewhat unusually and do not fall at an acceleration of 9.81 m/s. In order to understand this motion, a video tracking software has been used to track these two points of the slinky. This report focuses on the y-direction (vertical) movement of these points through two
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Did you know shark attacks could potentially be more likely when there is a full moon ? Scientists have been curious about the same question due to statistics. Research sides that there is most likely factors that make it more likely for shark attacks to occur in this small fraction of a month. 63.5% of shark attacks in the past 5 years have happened within a 4-5 day span of a full moon. If you look at that statistic and shark attacks had the same occurrence everyday then only about 30% of shark
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Write your name here Surname Other names Pearson Edexcel Certificate Pearson Edexcel International GCSE Centre Number Candidate Number Physics Unit: KPH0/4PH0 Science (Double Award) KSC0/4SC0 Paper: 1P Thursday 15 May 2014 – Morning Time: 2 hours Paper Reference KPH0/1P 4PH0/1P KSC0/1P 4SC0/1P You must have: Ruler, calculator Total Marks Instructions Use black ink or ball-point pen. Fill in the boxes at the top of this page with your name, centre number
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Waves Waves start in the open ocean The size of a wave depends on the strength of the wind, the length of time that it blows, and the distance over which it blows Waves move energy, not water. The water in a wave does not actually move forward, just the energy generated by the wind. The wind affects the water at the surface more than it does the deep water. As waves approach the shore, the water becomes shallower. The bottom of the waves begin to touch the
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PHYSIC AL CONSTANTS CONSTANT Speed of light Elementary charge Electron mass Proton mass Gravitational constant Permeability constant Permittivity constant Boltzmann’s constant Universal gas constant Stefan–Boltzmann constant Planck’s constant Avogadro’s number Bohr radius SYMBOL c e me mp G m0 P0 k R s h 15 2p"2 NA a0 THREE-FIGURE VALUE 3.003108 m/s 1.60310219 C 9.11310231 kg 1.67310227 kg 6.67310211 N # m2/kg 2 1.2631026 N/A2 1H/m2 8.85310212 C 2/N # m2 1F/m2
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Chapter 1: Our Place in the Universe 1.1 Our Modern View of the Universe * Geocentric universe: Earth-centered * Solar system: the Sun and all the objects that orbits it * Our solar system formed 4.5 billion years ago * Galaxy: great island of stars in space, having from a few hundred million to a trillion or more stars * Milky Way Galaxy contains more than 100 billion stars; our Milky Way is in the Local Group * Galaxy cluster: collection of galaxies bound together
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Section One, Part One Molecular clouds(Very large clouds of gas and dust tens of times larger than our solar system) run amuck in space. Inside, larger particles of dust attract smaller ones, because they have a stronger gravitational pull. These larger particles continued to gain mass. As one solid mass, now known as a protostar, is around 10 to 20 Kelvins. To become a star, the protostar must reach 15,000,000°. Until the mass reaches 15,000,000°, it will remain a protostar. Section One, Part
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particles does the electromagnetic force act? Answer 2: Electromagnetic force acts between on all electrically charged particles. Question 3: Name the forces having the longest and shortest range of operation. Answer 3: Longest range force is gravitational force and nuclear force is shortest range force. Question 4: If ‘slap’ times speed equals power, what will be the dimensional equation for ‘slap’? Answer 4: Slap × speed = power Or slap = power/speed = [MLT-2] Question 5: If the units
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How is the scientific method used to solve problems? Scientific method used to solve problems by keen observations, rational analysis, and experimentation. Observation: Closely observe the physical world around you. How is the scientific method used to solve problems? Scientific method used to solve problems by keen observations, rational analysis, and experimentation. Observation: Closely observe the physical world around you. Question: Recognize a question or a problem. Hypothesis:
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INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL N00/430/H(1) PHYSICS HIGHER LEVEL PAPER 1 Friday 10 November 2000 (afternoon) 1 hour 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. 880-226 24 pages –2– 1. N00/430/H(1) When an ideal
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