2010 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Physics Centre Number Section I (continued) Part B – 55 marks Attempt Questions 21–32 Allow about 1 hour and 40 minutes for this part Student Number Answer the questions in the spaces provided. These spaces provide guidance for the expected length of response. Show all relevant working in questions involving calculations. Question 21 (2 marks) The optimum angle for safe re-entry of a space vehicle into Earth’s atmosphere is angle B. Outline
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researched on how the shuttle is protected from extreme heat during reentry and extremely cold temperature in the space. The Space Shuttle Orbital Maneuvering System: OMS is a system that contains liquid propellant rocket engines that are installed in the aft section of the fuselage. These engines provide thrust and exoatmospheric velocity changes in orbit and de orbit. The OMS is installed in two pods placed in either side; the engines can produce up to 1500 pounds
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was very much influenced by the speeches given by our ex-president Dr.A.P.J Abdul kalam. Unlike other presidents with political background‚ Dr.Kalam popularly known as “Missile man of India” for his work on development of ballistic missile and space rocket technology. (http://www.abdulkalam.com/kalam/klm-index.jsp) With regards to his speeches‚ the most noticeable was the one given when he visited my home town (Hyderabad) in India where he talked about “Indomitable Spirit”. It was great experience
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Engineering Studies: Aeronautical Engineering Outcomes being assessed: H2.1 – determines suitable properties‚ uses and applications of materials in engineering H3.1 – demonstrates proficiency in the use of mathematical ‚ scientific and graphical methods to analyze and solve problems of engineering practice H3.2 – uses appropriate written‚ oral and presentation skills in the preparation of detailed engineering reports H5.1 – works individually and in teams to solve engineering problems and
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Disaster: The Mariner 1 rocket with a space probe headed for Venus diverted from its intended flight path shortly after launch. Mission Control destroyed the rocket 293 seconds after liftoff. Cause: A programmer incorrectly transcribed a handwritten formula into computer code‚ missing a single superscript bar. Without the smoothing function indicated by the bar‚ the software treated normal variations of velocity as if they were serious‚ causing faulty corrections that sent the rocket off course. 2.
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researches about it. In this case‚ the one I am interested is egg in a bottle. Secondly‚ we have to make a question or problem which we will try to answer at the end of the experiment. For this experiment‚ my question is what (will) happen when air molecules expand. Thirdly‚ created the hypothesis to predict or guess what will happen in this experiment. Here‚ I think that air pressure will make the egg fit through the mouth of a bottle. After we have a topic‚ question and hypothesis‚ we can start
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; in the chemical industry for the manufacture of a variety of corrosion-resistant containers and equipment ; in the nuclear industry as atomic reactor neutron moderator and protective materials‚ etc. ; in the aerospace industry do rocket engine nozzle throat ‚ rockets‚ missiles‚ heat insulation‚ heat-resistant materials‚ and satellite radio connections on the signal and the conductive structural materials. Shandong has been mined many large graphite deposits ‚ reserves alarming. The graphite
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Theresa Osborne‚ a former reporter‚ works as a researcher for the Chicago Tribune. On a trip to Cape Cod‚ she finds a mysterious‚ intriguing love letter in a bottle in the sand‚ addressed from Garret to Catherine. She is fascinated by it and comes into possession of two more letters by the same person‚ eventually tracking down the man who wrote them‚ Garret Blake. He has refurbished a boat called Happenstence with his wife before her death and he lives quietly on the Outer Banks of North Carolina near
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The rest of the bottles ended up as litter in places such as landfills‚ land and in rivers‚ streams‚ and oceans. Producing water bottles in the U.S. uses around 1.5 million barrels of oil every year. This is enough energy to power 250‚000 homes or fuel for 100‚000( Langwith 5). Taking water for plastic bottles puts quite a strain on our rivers‚ streams‚ and community drinking water supplies. When water isn’t bottled
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121 9. EJECTION SEAT CAPABILITIES TO MEET AGILE AIRCRAFT REQUIREMENTS Larry Specker John Plaga Air Force Research Laboratory AFRL/HEPA 2800 Q Street‚ Bldg #824 Wright-Patterson AFB‚ OH 45433-7947‚ U.S.A. Vic Santi Aeronautical Systems Center ASC/ENFC 2530 Loop Road West Wright-Patterson AFB‚ OH 45433-5797‚ U.S.A. 9.1 BACKGROUND Current USAF seats provide safe aircrew escape up to about 425 Knots Equivalent AirSpeed (KEAS). The performance limit of US ejection seats is cited as 600
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