Search results

  • Users: pinkcashmere
  • In Introductory Physics Homework Help
  • Content: Threads, Posts
  • Order by date
  1. P

    Nyquist frequency and sampling frequency

    Homework Statement ##N= \frac{2 f_s}{f_{lowest}}## ##\frac{f_s}{2} - \frac{f_s}{N}## Homework Equations - The Attempt at a Solution I have these equations listed on a formula sheet but I do not know what they are used for. It is from a chapter titled "Discrete Sampling and Analysis of Time...
  2. P

    Simple circuit question

    Homework Statement Can someone why the voltage ##V^-## is the same voltage as that of R2? [Broken] Homework Equations - The Attempt at a Solution is it an application of KVL concerning the voltage for R1 and ##V^-##
  3. P

    Using calibration data for a beam scale -- How to apply?

    Homework Statement I attached the full document, buy I just want to know about : "Using calibration procedure determine: a) Sensitivity (mV/gr) b) Overall instrument error (gr) c) Linearity error %FSO d) Hysteresis error %FSO e) Precision error %FSO" Homework Equations The Attempt at a...
  4. P

    Discriminator control

    thanks very much for the reply! I have another question I don't really understand the basic conditions involving design/minimum volumetric flow rates to calculate reheat or to change the damper position. I was wondering if you could explain
  5. P

    Discriminator control

    Homework Statement A factory has two zones. Zone 1 and 2 are both maintained at 75FDB. The design supply air flow rates to Zone 1 and 2 are 320 and 200 CFM, respectively. At a certain hour in summer, the cooling loads for Zone 1 and 2 are 6,000 Btu/hr and 3,000 Btu/hr, respectively. Assume...