with a forward velocity of 60 m/s. The oscilloscope record of the deceleration is shown. Determine the approximate velocity of the particle at t = 9 s. [answer: -58 m/s] 2. A car can decelerate at 0.8 ‘g’ on a certain road. Find the total emergency stopping distance measured from the point where the driver first sights the danger for a speed of 100 km/hr. The time taken for the driver to identify the hazard‚ decide on a course of action‚ and apply the brakes is 0.75 s. [Answer: 70 m] 3. An underground
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the most unique and difficult species to understand and comprehend on the planet. For that reason‚ people have been studying other people for centuries. It is in our nature to want to understand ourselves and what happens around us as much as possible. Research has revealed such things like what the human body is comprised of‚ the effects sickness has on the body‚ the benefits of regular exercise and a healthy diet‚ and the physical changes that occur during the natural aging process. Other factors
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Hardships during the early and mid-1920’s were rare. People went out to casinos‚ went out to dance‚ and even went out to eat and drink. Yes‚ the 1920’s‚ which later had become known as the ’roaring’ 20’s‚ was a time of celebration. But it was not until 1929 when things did not go as planned for most Americans. Many people faced hardship‚ and the ones who just came into the country‚ trying to live the ’American Dream’‚ worked hard to escape the lives of abject poverty‚ but it was not enough
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medium‚ millions of Americans utilized radio as a way to access information. It provided details regarding local‚ national and international news‚ weather reports‚ traffic reports‚ entertainment pieces‚ sports‚ and war. It also gave the public explanations of chaotic and upsetting events. Radio was a method for relaying threats of war and chaos that could have a major impact on the masses. Through radio broadcasting‚ political leaders and military officials could efficiently update the people of
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popular clothing style. In the 1800’s fashion in the United States became a very important factor in society that determined the social status‚ one’s identity depended on what clothes one was wearing. At that time an increase of wealth occurred‚ therefore‚ the focus on fashion and appearances also increased‚ and European countries were influencing it. The economic changes of the country were also a big factor in the evolution of fashion in the 19th century. In the 1860’s outfits of pants‚ vests‚ and jackets
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In the late 1860’s when Mill published his essay on “The Subjection of Women” women’s rights were extremely low but slowly rising. Almost two decades later‚ women are still not equal to men when it comes to getting their voice heard. Women have trouble getting their opinions voiced in places such as congress. Almost all of our legislation is still created from the ideas of men without even the slightest opinion from women. At the time of Mill’s essay‚ women were not allowed to be educated and be
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Music In the 1980’s The 1980s was a decade of revolutionary changes on the music scene. The two major developments were the advent of MTV and the compact disc. Music became more diverse‚ with new wave‚ heavy metal‚ rap‚ techno pop‚ alternative rock and the "new" country sounds. And music became a huge marketing tool as filmmakers‚ TV producers and manufacturers of everything from sneakers to soft drinks used hit songs and hot performers to sell their products. Search: how pop culture affects teens
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Essay on the 1930’s The 1930’s was a rebuilding year for the United States of America. America was going thru a rough time in the 1930’s. For example America was in the great depression and war was going on in Europe‚ although America wasn’t involved in the war it would be inevitable for them to stay out of the war. The president that would be elected is Franklin D. Roosevelt‚ he would be the president to help us get out of the Great Depression; the United States went thru what is called the Dust
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The 1940’s were heavily influenced by the occurrences that happened during this era. Some of these events including World War II‚ Recession; Revolutions‚ the ongoing feminism movement‚ Dior – The New Look and the Parisian Couture house. The 40’s era was where the fashion houses of Dior and Chanel ruled according to Style.com. They dictated the austere style‚ which was strict and plain; yet at the same time sophisticated yet masculine. The forties decade opened up an extensive variety of original
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Roaring Fashion in 1920’s “It is unseen‚ unforgettable‚ ultimate accessory of fashion that heralds your arrival and prolongs your departure.” Clothing changed with womens changing roles in modern society‚ particularly with the idea of freedom for people worldwide. In the “Roaring Twenties”‚ fashion entered the modern era‚ impacted lives of kids‚ men‚ and women driving them to dress rebellious. Prior to WWI‚ kids still dressed more or less the way they had for a millennium‚ like young adults.
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