Instrument used for measurement Making measurement by usisng some instrument or other is inevitable in physic.Hence‚ ensuring that careful and accurate reading are obtained for any measurement is of utmost importance.Table below shows some most commonly used instrument for making measurement in physics experiments. |Physical quantity |Instrument | |Length |Meter rule
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Experiment 1: Errors‚ Uncertainties‚ and Measurements Laboratory Report Margarita Andrea S. de Guzman‚ Celine Mae H. Duran‚ Celina Angeline P. Garcia‚ Anna Patricia V. Gerong Department of Math and Physics College of Science‚ University of Santo Tomas España‚ Manila Abstract Measurements‚ defined as a comparison with a standard‚ are essential in the study of physics. However‚ all measurements are prone to errors. There are two sources of errors: systematic errors random errors.
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Techniques & Measurements Observations from Procedures Data Table 1 – Length measurements Object|Length (cm)|Length (mm)| Band-Aid Canister|10.3 cm|103 mm| Fragrance Oil Bottle |7.3 cm|73 mm| Pill Bottle|7.1 cm|71 mm| Data Table 2 – Temperature measurements Hot water from tap(ºC )|Boiling water(ºC)|Boiling water – 5 minutes(ºC)| 52 ºC|99 ºC|100 ºC| Cold water from tap(ºC)|Ice water (ºC)|Ice water – 5 minutes (ºC)| 23 ºC|10 ºC|10 ºC| Data Table 3 – Volume measurements Test tube
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Strategic Performance Measurement: Benefits‚ Limitations and Paradoxes1 Pietro Micheli and Jean-Francois Manzoni Extended abstract Strategic Performance Measurement (SPM) can be both functional and dysfunctional for organisations. SPM can help organisations define and achieve their strategic objectives‚ align behaviours and attitudes and‚ ultimately‚ have a positive impact on organisational performance. However‚ SPM has also been criticised for several reasons‚ such as encouraging perverse behaviours
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9-17-12| Exp 2: Laboratory Techniques & Measurements|Lab Section: 0000| Data Tables: Step 1: Length and Measurements Object Measured|Length in cm|Length in mm| Key|5.15 cm|51.5 mm| CD|12.0 cm|120.0 mm| Fork Spoon|18.05 cm 16.30 cm|180.5 mm 163.0 mm| Step 2: Warm Temperature Measurements Hot tap water temperature 49.50_˚C Boiling water temperature __immediately:104.5; after 5 minutes: 103.0__˚C Step 3: Cold Temperature Measurements Cold tap water temperature _24.5_˚C
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A. Water boils at 100°C at sea level. If the water in this experiment did not boil at 100°C‚ what could be the reason? The reason why water did not boil at 100°C could be because we are not at sea level; the pressure could be lower. B. While heating two different samples of water at sea level‚ one boils at 102°C and one boils at 99.2°C. Calculate the percent error for each sample from the theoretical 100.0°C. 1st sample 1.96% error 2nd sample 0.81% error C. An unknown
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was laboratory techniques and measurements. The purpose of this lab was to familiarize ourselves with different techniques used in the lab‚ taking proper measurements‚ and how to use the International System of Units (SI). Throughout lab we learned about mas‚ volume‚ length and temperature‚ and to be able determine density and concentration. To be able to documents properly and make effective observations we must be able to understand the International Measurement System. Length‚ temperature‚ time
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VIBRATION MEASUREMENT In some practical situations‚ it might be difficult to develop a mathematical model of the system and predict its vibration characteristics through an analytical study. In such cases‚ we can use experimental methods to measure the vibration response of the system to a known input. This helps in identifying the system in terms of its mass‚ stiffness‚ and damping. In practice the measurement of vibration becomes necessary for the following reasons: 1. The increasing demands
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Measurement of reaction time Measurement of reaction time Aim of the experiment To record reaction times to visual cues using the iworx equipment To compare and contrast the reaction time when provided randomly vs. fixed time intervals‚ and upon repetition. Introduction Our bodies react appropriately to changes that occur in the environment during our day-to-day activities. When responding‚ an external stimulus has to be detected by one or more neurons. These then
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Marketing Research University of Phoenix Introduction A poorly designed questionnaire may not obtain the results the firm or organization is looking for. There are four categories in which numbers are generally grouped. In increasing order of sophistication‚ they are (1) nominal numbers‚ (2) ordinal numbers‚ (3) intervally scaled numbers‚ and (4) ratio-scaled numbers. This paper will examine each briefly and how they can be used effectively in the design of a survey questionnaire. Qualitative
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