Absolute Error or Absolute Uncertainty Definition

Absolute error or absolute uncertainty is the uncertainty in a measurement, which is expressed using the relevant units. Also,  absolute error may be used to express the inaccuracy in a measurement. Absolute error may be called approximation error. Absolute error is the difference between a measurement and a true value: E |x0 - x| Where E is absolute error, x0 is the measured value and x is the true or actual value Why Is There Error? Error is not a mistake. It simply reflects the limitations of measurement instruments. For example, if you use a ruler to measure a length, each tic on the ruler has a width. If a distance falls between marks on the ruler, you need to estimate whether the distance is closer to one mark than the other and by how much. This is error. The same measurement may be taken multiple times to gauge the range of the error. Absolute Error Example If a measurement is recorded to be 1.12 and the true value is known to be 1.00 then the absolute error is 1.12 - 1.00 0.12. If the mass of an object is measured three times with values recorded to be 1.00 g, 0.95 g, and 1.05 g, then the absolute error could be expressed as /- 0.05 g.

Inequality Of Slaves And Masters - 1218 Words

Stephanie Cervantes History 202A 11/19/14 Inequality of Slaves and Masters In his Narrative of the Life of the Frederick Douglass, an American Slave, Frederick Douglass wrote that slavery proved as injurious to one of his masters as it was to him. Frederick Douglass lived a very cruel and harsh life especially since he was a slave himself, which made him experience a lot of mistreatment and sad moments that I can only imagine. The Narrative of the Life of Frederick Douglass suggests slaves were treated as less than human because of the bias reasons towards the African Americans in the 1800s which lead to slaves being mistreated and tormented physically something that the masters would not be able to understand. Douglass offers good detailed information throughout his book that turn into terrible chapters to our history. Douglass father was a white man, a white man that might have been a slave rapist since Douglas mother was a slave herself. Douglass did not meet his mother so when she died he did not feel any guilt or sadne ss towards her death. However, before she died she whispered in Douglass ear, â€Å"The whisper that my master was my father may or may not be true (3).† This is important because Douglass is not sure if his master was his father or not but what he does know is that even though his father was white he still had to be sold either way and follow his mother steps which is being a slave. Douglass states, â€Å"The master is frequently compelled to sell this class ofShow MoreRelatedGender Inequality And Idealized Beauty Standards1688 Words   |  7 Pagesto face is gender inequality and idealized beauty standards. When relating back to basic principles of gender inequality, women tend to be shown as inferior to men and specific occupations have been assigned gender roles. 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An Unforgettable Incident free essay sample

Some times the incidents that occur in our lives leave traces of their mere existence in our minds and as time passes by; although they are buried deep in our minds of infinite memories sometimes only a similar trace of that memory brings back that once buried memory on the surface of our minds. The incident starts off when I was leaving for my home. It was one of those days when nothing in the world could have gone wrong and I and my friend, Rameez, unaware of the unknown that lied before us, went on joking about the happenings of the day. We also placed a bet that whoever reaches home first will pay for lunch for the next day in college. As the college got over, we went outside and had some fun with other friends. After boasting about our bets we all started leaving for home. We headed towards our cars and left the college parking area. We will write a custom essay sample on An Unforgettable Incident or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page As soon we came outside the college, my friend tried to overtake me. I accelerated and sped up my ride. Once the car had gained its momentum, I tried over taking my opponent without any consideration of the traffic laws. My eyes were fixed on the roads and my mind transfixed on somehow over taking my worthy challenger. We were on the roads of Defence from where we headed towards Zamzama streets where my friend finally was able to overtake me because of the horse-cart which came in front of my car and I could not switch to the other lane. Once again, I accelerated my car and sped after his car and at the signal, we stopped near each other. During the wait, my instinct warned me that I should get over this crazy idea of racing. But I shook that warning of my mind when my friend lowered the window of his car and made some irksome noise which provoked me to go on with the racing; I got carried away, intermittently accelerating the car to get jazzy. This time I had the lead of over three cars and tried to lengthen the distance but when I saw the red signal ahead, I lost the hope of taking the lead so I not to stop on that signal, a blunder I still regret.. I should have stopped my car but I was so excited at the thought of winning that I didn’t realize what I have been doing. The moment I crossed the signal, I saw the car coming up from the left side which made me hit the brakes immediately. Unfortunately, the speed of the car was enough to skid and bash into the other car coming from left. The incident seemed to take place in a matter of seconds but the wait in the car lying as a dead man seemed to last for a life time. After a few stupefied seconds, the realization struck me as I felt that I can move my hand now. I tried getting out of the car for which I had to consume all the remaining energy in my body. As I got out of the car, the first thing I noticed was the person standing next to his car which now looked like as if someone had made a vain effort of recycling it. The next thing I focused was my car which now was a complete wreck. Next I saw my friend who was now pale and shocked and looked as if he was going to faint any moment. He gave me anxious look. Before we could even talk about anything, I felt the hands of someone holding my back collar. When I turned around, I was much more nervous by looking at an extremely angry face of the driver. He started yelling at me and profusely swearing at me in the open public. I was still stupefied by the entire incident so I didn’t make any movement and allowed the driver to shout at the top of his voice. After few seconds, when I realized what was going on, I started apologizing and quickly made up an excuse that I was being chased by a couple of robbers so I couldn’t afford to stop. The only fear in my mind was of the police case that could be made by him but somehow, I managed to convince him and took the responsibility of paying for all his damages. But the man turned out to be very understanding and decent so he let me go without paying for any damages since he assured me that his car insured. After that I got my car towed away and dropped it at a garage, at then same time mentally preparing myself to break the news to my parents who I knew will be horrified to hear about the almost life taking accident. So, this was one strand of the many memories that is never going to whither away as long as I live. It was one of the experiences from which I learned that being over smart and showy can sometimes land you into trouble.