- - Name: - Teacher: - Scientists: Ernest Orlando Lawrence Andre-Marie Ampere Subject: Physics Class: 12A Due Date: 20th August 2012 Name: - Teacher: - Scientists: Ernest Orlando Lawrence Andre-Marie Ampere Subject: Physics Class: 12A Due Date: 20th August 2012 Physics ERT: Magnetism Physics ERT: Magnetism Table of Contents Table
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The specific latent heat of vaporization of a substance is the quantity of energy required to A. raise the temperature of a unit mass of a substance by one degree Celsius. B. convert a unit mass of liquid to vapour at constant temperature and pressure. C. convert a unit mass of solid to vapour at constant temperature and pressure. D. convert a unit mass of liquid to vapour at a temperature of 100°C and a pressure of one atmosphere.
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How road safety has changed over the years Why Speed Limits Have Changed During the last 100 years speed limits have changed in the UK‚ now in residential areas speed limits are generally 20mph to 30mph and on main roads the speed limit is 40mph. On the motorways the speed limit is raised to 70 mph. The first speed limit was 1865; this speed limit was 2mph in built up areas such as cities‚ towns and villages. This was then raised to 20mph and large fines were put in place for speeding and
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will not be a problem. There are automatic hazard lights that turn on automatically if you brake emergency. This is a dinky feature that helps to warn other drivers of potential hazards. Driver and passenger airbags inflate in relation to the intensity of the impact. Side and curtain airbags also aid occupant protection. Pre-tensioned seatbelts with a force limiter will hold you securely in the event of an unfortunate accident. Step into the Peugeot 206 and feel the difference. This is an economical
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Usually there are front facing airbags in the front two seats‚ and side facing and curtain airbags everywhere. Airbags minimise the risk of whiplash in a crash‚ and the force passengers get hit by an object‚ or hit an object. Additionally‚ curtain airbags stop glass from shattering on the occupants of a car and cutting them. 8. Describe the chemical reaction in an air bag. The inflation system
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say they have airbags‚ people seem to think that the airbags will stop you from flying out the window‚ but in case of a car crush you are more likely to unexpect the accident so a direct impact with an airbag would really be damageing and even more if you did not expect it. I´ve heard of people that did not wear a seatbelts and unfortunately had a car crush‚ these people all thought that they wouldnt hurt themselves because of the airbags‚ but they were wrong‚ in some cases the airbag did not deploy
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Air Bags (Lesson Plan) (Exploring the Science of Automotive Air Bags) Suggested Grade Level 8-9 Standard Statements (Pennsylvania) 3.1.10A Discriminate among the concepts of systems‚ subsystems‚ feedback‚ and control in solving technological problems. 3.1.10E Describe patterns of change in nature‚ physical and man made systems. 3.2.10B Apply the elements of scientific inquiry to solve problems. 3.2.10C Identify and apply the technological design process to solve problems
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with a technical upgrade. For instance‚ you put dual airbags in cars because people too often don’t use seat belts‚ and airbags prevent further injury even when seat belts are used. The problem here‚ which motivates people to improve a process‚ is that people continue to sustain severe injuries despite the availability of seat belts and dual airbags. Taking this one step further‚ some car companies (like Volvo) are not installing side airbags‚ in addition to the two in front‚ to protect people against
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Princess Diana was greatly loved and admired by many people around the world. She was the epitome of a “perfect Princess” and for many she was considered a role model. Tragically‚ her life ended far too early in a fatal car accident. Diana was the passenger in the backseat of a Mercedes and was not wearing a seatbelt at the time of the crash. Evidence proves that Princess Diana would be alive today if she had chosen to wear a seatbelt. Princess Diana is not the only one. Every year‚ approximately
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The physics concepts that were illustrated in our egg drop project were momentum and energy. In the project‚ we saw how momentum increases as a normal egg without anything to slow it down would crack. That was because the longer that the egg fell‚ the more momentum the egg gains. We also saw that by adding resistance during the fall‚ such as a plastic bag “parachute”‚ would slow down the egg enough so that it would not crack when it reached impact with the ground. The other concept that was discussed
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