Tuesday, May 26, 2020

A Declaration Of Color Blindness - Free Essay Example

Trayvon Martin was fatally shot by a white police officer on February 26, 2012. The very same officer was acquitted on July 13, 2013 after claiming it was self defense to an all female jury. Following this acquisition, three black organizers created the movement known today as Black Lives Matter, all by creating the new hashtag #blacklivesmatter. Though they officially coined the term, there is no official leader, no rulesheet, just a call to value black lives for what they are human beings. In a world where Black lives are systematically and intentionally targeted for demise, it is an affirmation of Black folks humanity, our contributions to this society, and our resilience in the face of deadly oppression(Khan-Cullors). Yet arguments continue to go around, with another popular hashtag eventually reaching trending called #alllivesmatter. They criticize the black lives matter movement, saying we are all brothers and sisters, that the saying is too narrow. Arent they right? In the end, shouldnt every person be valued the same as the other? Or maybe something else has gone into the slogan of Black Lives Matter, and not them putting their own on a pedestal. The idea that racism no longer exists in America shouldnt even be a thought racing in someones mind, yet people continually believe we could end racism when Jim Crow laws ended. But did we really? If we did, then why, when we hear about someone gets murdered by a police officer, see a black person more often than someone white? People of color represent thirty eight point five percent of the population, but fifty one point five percent of all lives lost in the years 2015-2016(Fox, 2018). Police violence is disproportionately affecting black people, along with Hispanics and people with native American backgrounds. Yet, we have seemingly ended racism so, its just a coincidence, right? We, after all, did elect a black man to become president, so this is obviously a post-racial America. A post racial America where all lives should matter instead of just the ones being disproportionately shot and killed by police officers. Bill Maher expressed that All Lives Matter implies that lives are equally at risk, and theyre not. By saying All Lives Matter, it is an attempt to diminish the ongoing reality of the fact that white supremacy still exists. By saying All Lives Matter, they are silencing those trying to make a difference and take down the unjust that holds racial equality at bay. The All Lives Matter movement is a declaration of color blindness, a declaration of everyone is equal so everyones lives should matter. In a way, they are right. American football player Richard Sherman said I stand by what I said that All Lives Matter and that we are all human beings. In 2017, police shot and killed just short of 1,000 people, tallying in nine hundred eighty-seven people dead at the hands of the officers. White males continued to account for the largest group of people killed while armed with guns or knives, at 330 of those killed. Black males armed with guns or knives were fatally shot in 160 cases last year(Sullivan, Anthony, Tate, Jenkins, 2018.) Seeing as more white men were killed by police, shouldnt all lives matter? Shouldnt everyone be fighting for all lives to be stopped by police brutality. When asked which statement is closest to their own views, 78% of Likely U.S. Voters say all lives matter(Rasmussen 2015) All Lives Matters claims they are not doing an ything wrong, they are just fighting for us all, believing that everyone are brothers and sisters and should be treated equally, no race above another one. For more than four centuries, black people have experienced more hardships than one can imagine, from slavery to civil rights to the continued prejudice against them today. They are standing up for themselves with Black Lives Matter. All Lives Matter is racist. Black Lives matter was never intended to imply that on black lives do matter. None of that is hate for white living. It is about realizing that white people already have privilege and do not need to constantly worried if there is a target on their back. It is about recognizing that while our lives do matter, there are other lives right now, that matter more. There are other lives that have been full of hardship, that need help from others with privilege. By saying All Lives Matter, you are erasing that cry for help. By saying All Lives Matter,you are pretending nothings wrong. Black Lives Matter is saying that they recognize that white lives already do matter. It is a statement of their lives also matter ing. It is saying blac k lives matter, too.

Saturday, May 16, 2020

Physical Constants, Prefixes, and Conversion Factors

Here are some useful physical constants, conversion factors, and unit prefixes. They are used in many calculations in chemistry, as well as in physics and other sciences. Useful Constants A physical constant is also known as a universal constant or a fundamental constant. It is a quantity that has a constant value in nature. Some constants have units, while others do not. While the physical value of a constant does not depend on its units, obviously changing the units is associated with a numerical change. For example, the speed of light is a constant, but it is expressed as a different number in meters per second compared to miles per hour. Acceleration of Gravity 9.806 m/s2 Avogadros Number 6.022 x 1023 Electronic Charge 1.602 x 10-19 C Faraday Constant 9.6485 x 104 J/V Gas Constant 0.08206 Latm/(molK)8.314 J/(molK)8.314 x 107 gcm2/(s2molK) Plancks Constant 6.626 x 10-34 Js Speed of Light 2.998 x 108 m/s p 3.14159 e 2.718 ln x 2.3026 log x 2.3026 R 19.14 J/(molK) 2.3026 RT (at 25C) 5.708 kJ/mol Common Conversion Factors A conversion factor is a quantity used to convert between one unit and another via multiplication (or division). A conversion factor changes the units of a measurement without changing its value. The number of significant digits in a conversion factor may affect the conversion in some cases. Quantity SI Unit Other Unit Conversion Factor Energy joule calorieerg 1 cal = 4.184 J1 erg = 10-7 J Force newton dyne 1 dyn = 10-5 N Length metre or meter ngstrm 1 = 10-10 m = 10-8 cm = 10-1 nm Mass kilogram pound 1 lb = 0.453592 kg Pressure pascal baratmospheremm Hglb/in2 1 bar = 105 Pa1 atm = 1.01325 x 105 Pa1 mm Hg = 133.322 Pa1 lb/in2 = 6894.8 Pa Temperature kelvin CelsiusFahrenheit 1C = 1 K1F = 5/9 K Volume cubic metre litregallon (U.S.)gallon (U.K.)cubic inch 1 L = 1 dm3 = 10-3 m31 gal (U.S.) = 3.7854 x 10-3 m31 gal (U.K.) = 4.5641 x 10-3 m31 in3 = 1.6387 x 10-6 m3 While a student should learn how to perform unit conversions, in the modern world there are accurate online unit converters in all the search engines. SI Unit Prefixes Metric system or SI units are based on factors of ten. However, most units prefixes with names are 1000 times apart. The exception are near the base unit (centi-, deci-, deca-, hecto-). Usually, a measurement is reported using a unit with one of these prefixes. Its a good idea to become comfortable converting between factors as they are used in all scientific disciplines. Factors Prefix Symbol 1024 yotta Y 1021 zetta Z 1018 exa E 1015 peta P 1012 tera T 199 giga G 106 mega M 103 kilo k 102 hecto h 101 deca da 10-1 deci d 10-2 centi c 10-3 milli m 10-6 micro 10-9 nano n 10-12 pico p 10-15 femto f 10-18 atto a The ascending prefixes (e.g., tera, peta, exa) are derived from Greek prefixes. Within 1000 factors of a base unit, there are prefixes for each factor of 10. The exception is 1010, which is used in distance measurements for the angstom..Beyond this, factors of 1000 are used. Very large or very small measurements are usually expressed using scientific notation. A unit prefix is applied with the word for a unit, while its symbol is applied together with a units symbol. For example, it is correct to cite a value in units of either kilograms or kg, but it is incorrect to give the value as kilog or kgrams. Sources Cox, Arthur N., ed. (2000). Allens Astrophysical Quantities (4th ed.). New York: AIP Press / Springer. ISBN 0387987460.Eddington, A.S. (1956). The Constants of Nature. In J.R. Newman (ed.). The World of Mathematics. 2. Simon Schuster. pp. 1074–1093.International System of Units (SI): Prefixes for binary multiples. The NIST Reference on Constants, Units, and Uncertainty. National Institute of Science and Technology.Mohr, Peter J.; Taylor, Barry N.; Newell, David B. (2008). CODATA Recommended Values of the Fundamental Physical Constants: 2006. Reviews of Modern Physics. 80 (2): 633–730.Standard for the Use of the International System of Units (SI): The Modern Metric System IEEE/ASTM SI 10-1997. (1997). New York and West Conshohocken, PA: Institute of Electrical and Electronics Engineers and American Society for Testing and Materials. Tables A.1 through A.5.

Wednesday, May 6, 2020

Why Markets May Fail to Generate Socially Desirable Outcomes

Discuss why markets may fail to generate socially desirable outcomes. The term market refers to the group of consumers (households, firms or government) that is interested in product or service and has the resources to purchase that product. Acquiring the product and/or getting a service are always permitted by law and other regulations. The market definition begins with the total population and progressively narrows as show in the following diagram. Market definition Conceptual diagram The size of the market is not fixed and depends on the product price. It is increasing while increasing the prices and decreasing while decreasing the prices. In addition, qualified markets can be increased through changes in legislation†¦show more content†¦Interests of consumers and suppliers are harmonized - brought into equilibrium. In this model, prices are determined impersonally in the market and this secures the equality between those demanding the good and those supplying the good. Neoclassical model examines the commodity prices influences by grouping them into two categories; side of supply (such as: right kind of labour, raw materials, machinery, power and the used technology) and side of demand (such as: influences affecting consumer demand e.g. income, lifestyle, age, and the social conventions and expectations) Neoclassical model can reflect one of the causes to market failure; Asymmetric information. It represents the lack of relevant information. The people can not make maximizing decisions if they are poorly informed about the things they are buying or selling. Neoclassical model main weakness is that it models the competitive outcome, i.e. equilibrium, rather than the competitive process. In this point people will never have complete information when responding to economic changes. F.A. Hayek is representing the third theoretical perspective of the competitive market. 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Tuesday, May 5, 2020

Discovering My Passion free essay sample

It had been a long Sunday afternoon. Rehearsal was just about to finish but I had one more matter of business to attend to. I had already informed the director and drama teacher, Ms. Carbone, that the first round of mock trial competition was taking place on Tuesday. In an unexpected twist of events, I was going to be presenting the defense pretrial argument before the judge on that day. Just earlier that Sunday morning, the lead position had been wrested away from another member of the team and bestowed upon me. The coaches had decided that my teammate’s performance was bordering near subpar and believed that I had the potential to deliver a powerful pretrial motion in two days. In order to prepare for my first oratory in the courtroom, I was now required to go to my captain’s house for one final practice on Monday night, which also happened to be the same time as play rehearsal. We will write a custom essay sample on Discovering My Passion or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page â€Å"That’s it. I’ve had enough. You’re out of the play.† Never in a million years had I expected to hear that response when I announced to Ms. Carbone that I would be missing the last two hours of play rehearsal on Monday for mock trial practice. True, I had skipped a few rehearsals before for mock trial, but in my defense, my role in the fall play was very limited. I played an old grandmother, was in only two scenes, and had but two lines. I sure didn’t think those two lost hours would have made the slightest improvement in my performance during Thursday’s opening night. Nonetheless, my instinctive reaction was to plead with Ms. Carbone and attempt to compromise, like I’ve successfully done so countless times before in the past few months. Except this time, Ms. Carbone refused to listen, even when, in my panicked foolishness, I offered to miss mock trial practice for the dress rehearsal. But Ms. Carbone would not budge, and I stormed out of the theater that Sunday night at ten p.m. with no tears in my eyes; I was far too angry for that. In my mind, I was right and Ms. Carbone was being absurd. I did, however, end up following her advice. Following that incident, I threw myself wholeheartedly into preparing for mock trial, no longer forced to divide my time between two separate worlds. I’d learned my lesson, and the next two years, I didn’t even audition for the play, knowing that I was incapable of maintaining a perfect balancing act for an extended period of time. I realized that no matter how hard I try, I can’t do everything, so I had to choose just one activity to dedicate all my energy to. And I discovered that my passion lies in mock trial, in public speaking and debate. Looking back to that Sunday, I understand now that Ms. Carbone had presented a beautiful gift to me the moment she decided to kick me out of the play: the gift of passion.