Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 4PLA
Apply Equations 1, 2, and 3 to calculate the mean, standard deviation, and standard error for Abe’s measurements of length. Confirm that your calculated values are the same as those in the table. Show your calculations explicitly.
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Chapter 1 Solutions
Physics Laboratory Manual
Ch. 1 - State the number of significant figures in each of...Ch. 1 - Perform the indicated operations to the correct...Ch. 1 - State how one determines the accuracy of a...Ch. 1 - Apply Equations 1, 2, and 3 to calculate the mean,...Ch. 1 - State the characteristics of data that indicate a...Ch. 1 - Which student has the best measurement considering...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- What is the significance of the standard deviation value with to the mean?Explain.arrow_forwardIf we have stabdard deviations for x and y data and we have mean values for x and y, how can we evaluate the standard deviation of (1-x/y).m ? (m is a constant value).arrow_forwardUsing the calculated slope of 3.0046 and its uncertainty .02089. What is the value of g plus minus the uncertainty of g? The picture provided below if what I need answeredarrow_forward
- Using your values for 7, calculate the average period Ibar (I) and its standard error. How does the error on the average period /bar (T) compares to the errors on the periods, I? What can you do to reduce the uncertainty on /bar (T)? What can you do to reduce the uncertainty on 7 ? Peried Trial T AT 4 141 $ 10.69 +α-0.5 2 10.60 + or -0.5 2 10.40 +α-0.5 10.43 +α-0.5 S 10.37 + or -0.5 Using your values for T, calculate the average period 7 and its standard error How does the error on the garage period compares to the errors on the periods, 7? What can you do to reduce the uncertainty on 7? What can you do to reduce the uncertainty on T7arrow_forwardCompare your measurement to the generally accepted value of g (9.8 m/s2). Does this value fall within the range of acceptable error? Indicate sources of error and suggest improvements for your procedure.arrow_forward(a) What is the coefficient of variation (CV)? Why do you study such variations? Explain using a real-life example.(b) Among the different measures of dispersion which one do you think is better and why?The following table gives the distribution of gas bills (GB’s) of some households (hhs) in a city- GB’s ($.’0) No. of hhs 375-450 41 450-525 95 525-600 31 600-675 61 675-750 19 (i) Calculate the ideal measures of dispersion.(ii) Make comments from your findings.arrow_forward
- What is “Random and Systematic Error”? Give an example for each one. What is “Standard deviation” and its formula? What data percent of XAverage ± σ, or XAverage ± 2σ, or XAverage ± 3σ might be the most reliable one?arrow_forwardSolve plzarrow_forwardUse the first equation attached below. To calculate the initial ball velocity vi with error found by propagating uncertainty in θ. For error propgating use the following the equation to calculate the uncertainty in cos (θ), necessary for calculation using the derived expression. Note that the uncertainty comes from the 2/3 method. δcos (θ) = | cos (θ + δθ) -2cos (θ - δθ) | Mass of ball 66.0 g 0.1 g Mass of pendulum 245.0 g 0.1 g Theoretical velocity 4.19 +/- 0.02 m/s Trial Final angle 1 28.00 degrees 2 28.00 degrees 3 28.10 degrees 4 28.00 degrees 5 28.10 degrees 6 27.90 degreesarrow_forward
- From the acquired measurements in Table A,plot Q as a function of V.arrow_forwardWhich value of H do you consider to be least accurate? Give reasons for your answer and explain how the accuracy could have been improved.arrow_forwardOnly apply error propagation to determine the error propagation to determine the associated uncertainty … Plzarrow_forward
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