PHYSICS 140 Study Guide - Final Guide: Sound Intensity, Switch, Femtolitre
Document Summary
Your discussion section or instructor:__50 l ui & 3. Fill in your name, section number and exam form number on the scantron: record your answers on the scantron using a #2 pencil. You may use four 3 x 5 cards on which you have your favorite equations. You also may use a calculator but please do not share calculators. Equations that you may find useful: sf=s+vot+ at 0f=00+wt+ at2 vf=v0+at o)f=00+at. = r x f = dl/dt=ic arad=v/r=:ro) v1=ro), arcz. Jfl + 1fl2 in, m1 m1 + in2 v2,, Me = 5. 97x1024kg x(t) = a cos (ot + (p) a(t) = o2x w=(k/m) 2. Young"s modulus y = (f1l0)/(aal) p = p0 + pgh. 1 atm= 1. ol3xlo5pa= l. ol3bar= 14. 7 lb/in2 y(x,t) = acos(kx -0t) Sound intensity level in db: 3=l0 log1o(tiio) k = 2m/ Pwater = 1000 kg/rn3 p = 1. 2 kg/rn3 p + pgh + pv2/2 = const. 1 mm hg = 1 torr = 133. 3 pa w=2tf=2it/t.
