"Reaction time reflexes" Essays and Research Papers

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    Bali Aim: The aim of this experiment was to determine the spring constant “k” of a spring using Hooke’s Law and Simple Harmonic Motion. Theory: Part 1: We know from the theory that the Time Period “T” for any spring that undergoes simple harmonic motion: T = 2π * √ (m/k) Where “T” is the Time Period of the spring; “m” is the mass attached to the spring and “k” is the spring constant of the spring used. After mathematically manipulating the equation to make k the subject of the equation

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    Palmeri claim that superordinate level advantage is only present at short stimulus presentation times. They suggest that at short presentation times‚ categorization relies more on contextual cues provided by the background‚ rather than actual object information. We aim to find if the superordinate level advantage at short presentation times can be attributed to contextual cues. We compared human reaction times when categorizing bird pictures as containing either an animal (superordinate level)‚ or bird

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    Helicopter Experiment

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    this is because there will be more downward pull from gravity‚ as the terminal velocity for a paper helicopter is low. Variables: Independent variable will be the mass that we change throughout the experiment. The dependant variable will be the time that we measure for the helicopter to reach the floor. Finally the controlled variables include‚ the helicopter itself. As well as the height from which the helicopter is released. Apparatus: Paper‚ Scotch tape‚ Scissors‚ Ruler Method: Create

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    Pendulum Lab

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    code: ENSC 110D Class: Petroleum Lab Title: Pendulum with a yielding support Instructor: Mrs. Sharon Mohammed Full time Name: Kirn Johnson Student ID: 58605 Date: 28/10/2012 Title A Pendulum with

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    the spread outwards. 6. Record the time on the timer in a data table as the trial 1 time for 1 in. 7. Repeat this process 2 more times for the 1 in increment‚ to have a total of 3 trials. 8. Continue steps 2-5‚ except for the 2 in‚ 3 in‚ and 4 in increments‚ and record three trials for each height. Data: Quantitative- Time for food coloring to diffuse to bottom (sec) | Height/ Level of water (inches from bottom) | Trials:1 | 2 | 3 | Average time with uncertainty | 1 in | 1.8 s |

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    Dynamic Trolley Experiment

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    incline/ramp. 4. At the same time another person passed carbonated paper through the ticker timer and stuck it on to the Dynamic trolley using tape. 5. Then the person that stuck the carbonated paper on to the dynamic trolley opened the power source and at the same time the person holding the Dynamic trolley in place let go of it and the trolley went down the inline ramp and was stopped by a person at the end of the ramp. 6. This same process was repeated 5 times for each of the 5 people participating

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    Mechanical revision

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    to 1000 km/h for the next 1800 km. What was the total time for the trip? What was the average speed of the plane for this trip? [4.43 h; 880 km/h] 5. In coming to a stop‚ a car leaves skid marks 75 m long on the highway. Assuming a deceleration of 7.00 m/s2‚ estimate the speed of the car just before braking. [32.4 m/s] 6. Determine the stopping distances for an automobile with an initial speed of 90 km/h and human reaction time of 1.0 s: (a) for an acceleration a = –4.0 m/s2; (b) for

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    Technical Communications

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    COURSE INTRODUCTION Your Tutor Aileen Ng Lecturer from Language & Communication Centre 6592-1556 asccng@ntu.edu.sg Consultation Hours: Thursday: 9 – 11 a.m. Friday: 9 – 11 a.m. How is this course different from HW110?  Much of your time will be devoted to project-based learning.  This involves working on a science/engineering research project in groups of 4/5.  The outcome is an academic product comprising:  Research Report  Abstract  Oral Presentation How

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    Stage  1  Psychology   Research  Report   Affects  of  caffeine  on  reaction  time     Proposal:     Caffeine  is  used  by  many  people  to  increase  their  energy  levels.  It  alters  an   individual’s  alertness  and  their  reaction  time.  Though  the  most  common  form  of   caffeine  is  coffee‚  it  can  also  be  found  in  certain  soft

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    As mentioned‚ our results suggest that the distraction times vary greatly on different individual factors. However‚ with the overall averages at 237 for no distractions compared to 315 for distractions‚ our team’s hypothesis still holds true that distractions greatly affect reaction time. Our experiment demonstrated to us that there are two factors intertwined in influencing reaction time: the distraction itself and the individual’s ability to react while distracted. For example‚ a cellphone app

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