Question

10Calculiated Dta Time in seconds Tme in seconds The following represents pressure samples in pounds per square inch (psi) taken in a fuel line from 1 to 10 seconds 5. Press re126., 27-128.2- 29.0 (psi) 29.8-T 30.6-31,1 31.3 31.0-30.5 a. Fit a first degree polynomial, a second degree polynomial and a third degree polynomial to this data. Plot the curves along with the data points. Use the result from part a to predict the pressure at 9.323sec, using all three fits. b. Note: Print the results in Matlab as shown below, Pressure at 9.323 sec when k-1 is XXXXXX Pressure at 9.323 sec when k 2 is XXXXXX Pressure at 9.323 sec when k 3 is XXXXXX

Answer 1

T (time in se Presurre(psi Presurre(psi)-First Degree Polynomial Presurre(psi)-Second Degree Polynomial Presurre(psi)-Third Degree Polynomial 26.1 27 35 28.2 3 30 29 29.8 2!5 30.6 20 31.1 35 0.5467x+ 26 31 25 20 15 Presurre(psi) y -0.0977x 1.6217x+ 24.303 Presurre(psi Presurrelpsi) 28 27 26 25 Linear 31 10 :-0.0106x3+0.0766x2+ 0.8175x25.21 (Presurrelpsi) 10 30.5 5 10 15 15 15

at t:9.323

Thank you