Chapter 13 – States of Matter Pressure (P) – the amount of force per unit area. Pressure=F/a or P=F/a Pascal’s Principle “Any change in pressure at a point on a confined fluid is transmitted throughout the fluid”. Any change is transmitted throughout the fluid. Buoyancy & Archimedes Principle “When an object is submerged in a fluid‚ it displaces a certain volume of that fluid. The amount of force pushing upward on the object is equal to the density of the fluid (Ï) times the acceleration
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by velocity. In the video we saw how the car gets into a wall without paying attention‚ many people passed away because of texting while driving or not paying attention while trying to answer a call. Other people die because they’re not wearing seatbelts and they die. In 2009 there were 33‚808 people died in traffic crashes in the United States‚ including an estimated 10‚839 people who died in alcohol-impaired driving crashes. Newton’s first law of motion stated that every object in a state of uniform
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Lindsey Monaco Thesis: why you should wear your seatbelt Specific purpose: to persuade everyone to always wear a seatbelt How to get audience’s attention: how many people think they’re invincible?/ how many people always wear their seatbelt? 1- why it is relevant? – Everyone on and off campus has been inside a car before whether it’s their own or their friends and I’m sure the majority of people who live off campus now have their cars up here. 2- Why is this a good issue- I believe this is
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Could you imagine a world without accidents with cars‚ that involved seatbelts? This is possible! Car manufactures should create a system that prevents vehicles from operating when the seatbelt is disengaged. We would be able to have less deaths and injuries from people that don’t normally wear their seatbelts. As well as a great deal of money saved from insurance and accident-related payments. Even better‚ there will be an increase to the amount of safety you are given when people use these automobiles
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hand‚ running off the road down a steep embankment or ravine causes a rollover accident and collision into hard immovable objects‚ which is something you want to avoid. Wear your seatbelt. Decades of accident studies have verified that seatbelts save lives. Note that airbags are meant to work in combination with seatbelts. In fact‚ airbags cause serious injury to the unbelted driver or passenger. Always sit properly. Make a habit of sitting upright with your back against the seat when in a car. This
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lane‚ not giving me a moment to react. I’d had my seatbelt on‚ and I awakened in the hospital with no memory of the accident except the back and head and leg injuries.” (TLA 34). When Holly and Jake got into the accident‚ only Holly survived. She felt that she could not live without him‚ and that life was so unfair and so unforgiving. Jake‚ as well as the what-ifs‚ were the only thing on her mind; what if he was driving‚ what if he wore his seatbelt‚ what if we had taken the bus that day. She knew
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Energy: the ability to do work. Work= force x displacement. Power=energy/time Power is measured in watts or horsepower. Joules/sec=watts 1hp=746w=1kw Basal metabolic rate 2000kcal/day= 100w Batteries store energy in chemical form. They release energy by pumping electrons’ through wires from the minus pole to the plus pole. Devices inbetween convert this energy to another form‚ Efficieny- e.motor=85%‚ combustion= 20% Hydrogen is not a source of energy but a means of transportation Types of energy:
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the use of seat belts and whether or not wearing a seat belt should be illegal in all parts of the world. How seatbelts save lives. Car accidents happen every minute of every day. There are over 5.25 million car accidents per year in the United States. Over 43‚000 of those accidents end in fatality due to people not wearing a seatbelt. Many people believe that wearing a seatbelt is important because‚ it is the law‚ it can save your life‚ and it can reduce the chance of other serious injuries
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Physics (Thorpe Park Trip) Report: On Monday 8th October our physics class went on a physics trip to Thorpe Park to look at the different ways in which a roller coast works. This report will be looking at the G forces acting on rides‚ the launching systems and breaking systems. The particular rollercoaster which I have picked to look into more detail in is “Stealth” which is located in Thorpe Park. Stealth: Stealth was originally designed by Werner Stengel. Stealth reaches a height of 205 feet
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Contextual Outline: ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Modern 9.3 MOTORS ANDis geared to using electricity. industrialised society GENERATORS Electricity has characteristics that have made it uniquely appropriate for powering a highly technological society. There are many energy sources that can be readily converted into electricity. In Australia‚ most power plants burn a fuel‚ such as coal‚ or use the energy of falling water to generate electricity on a large scale. Electricity is also relatively
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