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Use Matlab to manually input the data for force vs . displacement of a spring from the table entitled Spring on the next page. Determine

Use Matlab to manually input the data for force vs. displacement of a spring from the table entitled Spring on the next page. Determine the spring constant using a first order fit. Create a plot with discrete symbols for the data and a line for the best-fit line that does not extend past the range over which the fit was performed. On the plot, list the spring constant as k = xxx.xx (N/mm) on the plot using no more than four significant figures (k = num2str(variablename,4) will convert the number to a character string with four digits. The position of the decimal point in xx.xx could move but there should be no more than four significant digits.)2.Use Matlab to read in the Excel file entitled thixo.xlsx using xlsread(thixo.xlsx). This is viscosity-shear strain rate data for a thixotropic (shear thinning) fluid. Fit the data to the power law equation to determine the constants in the equation. a.Use the fit command demonstrated for exponential fits but use power1 instead of exp1. Using this feature is required.b.Create a log-log plot ( loglog(x,y,o)) of the viscosity vs. shear strain rate data using circular symbols, show the fit line (using a dashed line), show the fit constants, with units, on the plot to 4 significant figures and the symbolic equation, Use the Greek symbols in the axes labels. The units of strain rate are s-1 and the viscosity is in Poise (=0.1 Pa-s). Use the code ('$\dot{\gamma}$','Interpreter','Latex) for the shear strain rate.3.Use Matlab to read in the voltage vs. time file, longtube.mat, and process it to find the beginning of the event. In the program, use the function, peakfinder.m, to identify the peaks (it must be in the same directory as your data and program). Show plots indicating the location of the start time and then magnified plots showing the peak locations. Supply a table with the peak number, magnitude, and times. Use the code provided to create a table. The units are included in the header information and should be listed on the plot axes and in the tables.4.Use Excel to determine the coefficients, Ro and , in the thermistor equation from the file, Thermistor_Lab1.xlsx. Look carefully at the slide that shows how to extract Ro from the fit results. Provide a linear plot of R vs. T with no connecting line or fit. Provide a log-linear plot of R vs.1/T (log y axis, linear x axis). It should show the exponential fit line and the equation. The plot should also have the value of Ro and with the appropriate units. Assume that the reference temperature, To, is 298.15 K. Use the relevant variables in the fit line equation (i.e. rename y to R, etc.). Label your axes appropriately. Submit the file as yourlastname_lab1a.xlsx

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