Trolley problem essay

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trolley problem essay

The, trolley, problem, essay - 2004 Words

So the year 1998 would be stored as will be stored. These two-digit dates will be on millions of files used as input for millions of applications. This two-digit date affects data manipulation, mainly subtractions and comparisons (Doomsday jager). For instance, joe was born in 1957. If the computer was asked to calculate how old joe is today, it subtracts 57 from 98 and reports that he. This calculation is correct. In the year 2000 however, the computer will subtract 57 from 00 and say that he is -57 years old.

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The year page 2000 problem (or Y2K as it is often referred to) is not really a bug or virus, but is a computer industry mistake. Personal computers (PCs mainframes, and software are not designed or programmed to compute a future year ending in double zeros (00). This is going to be a costly fix for the industry to absorb. In fact, mike elgan, editor of Windows Magazine, says. The problem could cost businesses a total of 600 billion to remedy(Experts Elgan). Y2K has become a two-part problem. One is the inability of the computer to adapt to the mm/DD/yy issue, while the second problem is the unwillingness of many people to see the impact it will have. Most is (information system) specialists are either unconcerned or unprepared. In order to fix the year 2000 computer problem and its impact, one must fully understand what this problem. Back in the 1960s, programmers decided to store the year of dates as two digits instead of four in order to save much needed space and cut costs.

Given more time i would have repeated the whole experiment and maybe taken 5 or more readings of each height to guarantee that my results were reliable. Furthermore, i am still sure that my results are of a high degree of accuracy and are dependable enough to draw a reliable conclusion. We will then take a power adapter to power our ticker resumes timer dispenser and will connect them using plugs and when the time is right, power it to the correct voltage inorder for it to record dots onto the ticker timer paper. Y2k computer Problem Essay, research Paper. The year 2000 is just around the corner. As some people look forward to a new and brighter millenium, others prophesize about the second Coming, or the apocalypse. While these prophecies may be ignored by many, they might not be too far off base. The year 2000 may not bring an end to the physical world; however, it may cause great havoc to the worlds computing industry.

trolley problem essay

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Evaluation In conclusion to the investigation, i believe that the experiment went very well, i did not overcome any major difficulties, and feel that i achieved the best of my abilities. However given more time and better apparatus to measure the velocity of the trolley i think it could have been more accurate. Possibly a centisecond timer or millisecond timer which have the sensitivities to be able to measure the velocity of the trolley upto 1/1000s would have guaranteed better accuracy. Nevertheless i am pleased I chose to use the tickertimer over the stopwatch as even though the tickertape timer caused friction on the trolley, compared to the human reflex actions which would be working the stopwatch it proved to be very reliable and rectified. Taking 2 sets of results on each height proved the tickertimer to be dependable as both the readings were practically the same each time. By taking 2 sets of results also ensured myself that I should not get any anomalous results, which I didnt, i know this as the line of best fit went through my plotted results on my graph. And by plotting a rough graph as I carried out the experiment simplified things as I was able to keep track of my results and be sure no mistakes were being made. Even though all my results were fine, they showed that even though my prediction was correct, writers i had prognosticated that my results would be only slightly lower than the ones I wrote in the table, when actually it turns out that they werent. The file i placed on the end to smoothen out the main ramp to prevent the trolley jumping confirmed that my results were not altered due to any change in speed, which could have occurred.

That the greater the height, the faster the velocity. However as the height doubles the velocity does not. For example when the height was 10cm the average speed was.95cm/second, yet when the ramp was set at an incline of 20cm the velocity was.72 my results display that the higher the ramp the faster the velocity of the trolley will. This is because an object, which is a certain distance above the ground, has gravitational potential energy (gpe and when the trolley rolls down the ramp this energy is converted gradually into kinetic Energy (KE). By the time the trolley reaches the end of the ramp all the gpe will have converted. In contrast with my prediction, i think i have been fairly correct by what I said. I predicted that my average speed would be slightly less than the results I plotted on the table due to the friction acting on the trolley, especially when the ramp was suspended.5m. And that my results wouldnt be as far spread out as the height increased and my graph proves this as it evens out at the end.

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trolley problem essay

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The components which we will keep consistent throughout are:- 61623; Mass of the Trolley; -As the force which will be acting on the ramp must stay the same throughout, and the mass is what will determine this. To control this quandary we will use the same trolley each time. 61623; Friction will slow down the speed at which the trolley travels. A way of reducing the amount of friction is by having a smoother surface and keeping the superficies of the wheels the same. 61623; Air resistance; -we cannot control this to a great extent however we will keep the aerodynamics of the trolley the same each time. 61623; The length of the ramp must remain the same otherwise we will not be able to know whether the acceleration was influenced the by the height of the ramp or something else and if the ramp were too be extended further this would cause there. Obtaining evidence In the duration of the investigation i kept everything constant except for the heights which were accurate to the nearest.5mm so that our final results would not be affected.

We kept the following factors constant, for the same reasons as I said in the plan 61623; Mass of the Trolley; -As the force that acted on the ramp must stay the same throughout the experiment, and the mass is what will determine this. To control this quandary i used the same trolley each time. A way i reduced the amount of friction was by having a smoother surface and keeping the superficies of the wheels the same. 61623; Air resistance; -we could not control this to a great extent however we kept the aerodynamics of the trolley the same each time. The length of the ramp had to remain the same otherwise we would not have been able to know whether the acceleration was influenced by the height of the ramp or something else. If the ramp were to have been extended further this would have caused there to be a different velocity. Analysing evidence looking at my graph in obtaining evidence i am able to make a conclusion, which proves my prediction to be correct.

W e will then take a power adapter to power our ticker timer dispenser and will connect them using plugs and when the time is right, power it to the correct voltage inorder for it to record dots onto the ticker timer paper. We will then cut some self-marking ticker timer paper and thread it into the ticker timer machine assuring us that there is carbon paper in the ticker timer device and we will then selotape the other end of the tickertape to the back of the. We will then complete setting up our apparatus by hooking the back wheels of the trolley onto the end of the ramp as we have decided that we will measure everything in regard to the trolley in accordance to the rear. We will then, be ready. Diagram to show how I will set up the apparatus:Once i have set up my apparatus like so, i will switch the ticker timer on and release the trolley so that it can accelerate down the ramp. I will measure its velocity from the very point it leaves the ramp for.


I chose 1m as it is a suitable distance, if I was to have a number any smaller the trolley may not have yet reached its average speed. Once i have carried out the investigation, by doing each height 2 times to ensure accuracy i will plot a rough graph. This is so that I can facilely distinguish any anomalous results that may need repeating, rather than having to make a presumption as to which results are erroneous in a table. To work out my average speed from my ticker timer paper I will use the following formula: average Speed distance / Time safety There are no real safety issues to worry about, however to be certain that there are no injuries, we will make sure. And that our ramp is very stable to prevent it collapsing and hurting someone. Factors to make it a fair test i am very anxious to keep all the factors of the experiment fair and by doing this I will have only one variable element which will be the height as this is what we are investigating.

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Setting up the apparatus will be one of the hardest parts of the experiment. The first thing we will do, is set our board at an incline carefully adjusted so that no force will change the speed of our trolley. This will be set-up by clamping the ramp securely at each height we measure so that we can be ensured accurate results. As I discovered in the preliminary that if I set the ramp at a height which was too low it would not travel eksempel at a fast enough for velocity to enable it to reach the end of the 1m run off, therefore my starting height will. However i also realised that the most elevated height possible would have to.5m otherwise the speed at which the trolley runs off would be too fast and could result in an accident being caused. I decided to use a large range of heights all at the same size interval to prevent confusion when plotting my results and also consequently so that I could be assured a good degree of accuracy in my results. I will then place my file at the end of the ramp as this will prevent the trolley from jumping off the end of the ramp consequently affecting its velocity.

trolley problem essay

the velocity by using the following formula: gh 1/2 x v 61576; 2gh v2 velocity 61654;2gh The table below shows as the height of the ramp is increased the changes in the gpe and the ke height (m)Calc. (1/2xmxv2)Max KE(J).10.110x0.860.50.86x.20.210x0.860.50.86x.30.310x0.860.50.86x.40.410x0.860.50.86x.50510x0.860.50.86x This table shows how we can calculate the average velocity: heightCalc. ( 61622;2gh)Average velocity (m/s).0 61622;200.00.00.1 61622;200.10.45.2 61622;200.20.89.3 61622;20031.34.4 61622;200.41.79.5 61622;200.52.24, however as correct as my predicted results are my actual results will not be exactly like these due to friction. They may be quite similar to the results I get when the ramp is set at a low incline as the alacrity will be slower meaning less friction will be acting on the trolley. However as the height is raised the trolleys velocity increases and the friction will exert a stronger force on the object and will act as a resistance slowing the trolley down causing some of the energy which I have predicted to be lost. Therefore i predict my results to be slightly lower than the ones displayed in the table above and that as the height increases the results will even out and wont be as far spaced apart. The graph below illustrates what my results should look like: Apparatus In the duration of the experiment I will use the following apparatus: 61623; 2 x 1m rulers; 61623; A ramp; 61623; Clamp; 61623; Scales; 61623; Trolley; 61623; Tickertape vibrator; 61623; Ticker Tape; 61623; Powerpack;.

61623; I would also use a tickertape vibrator, as a high degree of accuracy is with required in this experiment and any inaccurate readings in my results, i do not want to be due to human error. The accuracies of these 2 instruments are as follows: Stopwatch/clock 1/10 s, tickertape vibrator 1/50 s The table of results below is to show which method of timing proved to be most accurate: height (m)Time using stopwatch(s)Time using tickertimer (s) 101.761.59 101.561.47 300.670.97 300.911.04 Prediction. Due to gravitational potential energy (GPE) which is the amount of energy that an object has because it its position. The higher the object is the more gpe it has and my table below proves this. Therefore at the top of the runway the trolley will have more gpe, than when it has come off the ramp. Gpe mass x g x height. Where g acceleration due to gravity 10m/s2, however when the object begins to fall its gpe is converted gradually into kinetic energy (KE). Ke 1/2 x mass x (velocity)2. Therefore at the top of the ramp the gpe is at its maximum and at the bottom of the ramp the ke is at its maximum, this is because the energy is being converted as it cannot be destroyed.

The, trolley, problem - 1420 Words bartleby popular, essays

Physics Trolley investigation essay Essay, research Paper. Physics Investigation: Investigating how the height of a runway affects the average speed of a trolley planning: Aim The aim of this experiment is to show how the height of a ramp from which a trolley rolls down will affect its run off speed. Preliminary The preliminary experiment we did prior to the investigation enabled me to choose what factors of the investigation I should keep the same or alter. My results from the preliminary displayed that I should perform the following procedures: - 61623; The heights that allow the trolley to go down the ramp at a suitable velocity and whereabouts on the ramp I would allow the trolley to go from inorder. I found out in the preliminary that.05m would be to low a height to begin with and that the trolley would not move fast enough therefore would not reach the end of the 1m run way causing a break in my results. Then also that if I suspended the ramp higher than.5m it was too high, and again I would not be able to gather any results as the trolley would be going to fast. 61623; That the trolley would be positioned with its back wheels over the edge of the ramp each time we carried out the investigation, this was to ensure us that each time the trolley was started at the same place, making our results accurate; 61623;. 61623; I decided that I was going to have to put a file and wedge of paper at the end of the ramp to prevent the trolley jumping, and implementing it to go straight to the end of the ramp smoothly therefore not effecting. 61623; In the preliminary i decided that I would keep the ramp at a certain height by using a clamp and that the range of heights that I would use would.10m,.20m,.30m,.40m,.50m 61623; I decided that I would leave.


trolley problem essay
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