Unformatted text preview: ). If the system at t = 0 has a value of 100 and the final value is 75, what will the system value after a period of time equal to 3.5 time constants have passed (t = 3.5 τ )? ______96.98_____________ 4) The following data was obtained when measuring the length of a widget (in inches): 49.3, 50.1, 48.9, 49.2, 49.3, 50.5, 49.9, 49.1, 49.8, 50.2 Calculate the mean, ____49.63__in_______ Mode, _______49.3______ Sample standard deviation ______.53965_in______ 5) A first order system response to a step input of size K is described by the equation x(t) = K(1 - e-t/ τ ) What percentage of the final value will be reached after a period of time equal to 3 time constants has passed? ____28.34%________ 6) A pressure measurement is made 100 times. The mean value is 68.32 psi and the standard deviation is 0.1 psi. Assuming a normal distribution for error in the measurement, how many readings fall within 0.25 psi of the mean? ______________98__________________...
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This note was uploaded on 11/19/2009 for the course MATH 3351 taught by Professor Beckham during the Spring '09 term at University of Texas-Tyler.
- Spring '09