Midterm2_formula - Reference Sheet – PSC 105 – Exam 2...

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Unformatted text preview: Reference Sheet – PSC 105 – Exam 2 Quantity Mass duration distance velocity acceleration force Energy period frequency wavelength Symbol m t, t x, x, d v, v a F E, P.E., K.E. T f λ ∆v = ∆t Unit kilogram (kg) second (s) meter (m) Definition LONCAPA kg s m m/s m/s2 Newton (N) Joule (J) second (s) Hertz (HZ) meter (m) 1/s or s-1 kg m/s2 kg m2/s2 m/s m/s^2 N J s Hz m v avg ∆x = ∆t aavg rise slope = run Prefixes kilo centi milli micro () nano Value 1000 1/100 = 0.01 1/1000 = 0.001 1/100000 = 1x10-6 1 x 10-9 F = ma Fgravity = mg PE grav = mg h KE = 12 mv 2 F a= m g = 9.8 PE spring 1 = k x2 2 m s2 F m= a Fspring = −k x k = spring constant 2( KE ) v= m f= # cycles ∆t T= ∆t # cycles f= 1 T Conversions: 1 gallon = 3.79 liters 1 inch = 2.54 cm 1 mile = 1.61 km 1 yard = 36 in v= f λ f= v λ λ= v f Tspring = 2π TPendulum = 2π L g f spring = 1 2π k m m k T k =m 2π 2 f Pendulum = 1 2π g L v # !. f c # 3 * 108 m / s vsound # 331 ) 0.6TC v# F m/ L fS 1" v vsound Two-end-open tube: !n = 2L/n (n= 1, 2, 3, 4 …) Open-close tube: !n = 4L/n (n= 1, 3, 5, 7, …) fO # Ppressure # Patmosphere F A # 1 * 10 4 N / m 2 I# P 4$R 2 P # 4$R 2 I !max TK # 2.9 * 10 '3 m.K TK # TC ) 298 B # 10 * log%I / I 0 & I # I 0 * 10 B 10 log[ A * B] # log A ) log B log A # B ( A # 10 B log 10 # 1; log 10 n # n log An # n * log A I 0 # 10 '12 W / m 2 I Incident # I Re flect ) I Absorb ) I Transmit I Absorb # a Absorb .I Incident c vlight # n n1 sin +1 # n2 sin + 2 ...
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This note was uploaded on 05/08/2011 for the course P SC 105 taught by Professor Lee during the Spring '10 term at Ohio University- Athens.

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Midterm2_formula - Reference Sheet – PSC 105 – Exam 2...

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