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

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Reference Sheet – PSC 105 – Exam 2 m meter (m) λ wavelength Hz 1/s or s -1 Hertz (HZ) f frequency s second (s) T period J kg m 2 /s 2 Joule (J) E, P.E., K.E. Energy N kg m/s 2 Newton (N) F force s second (s) t, t duration m/s m/s v, v velocity m/s 2 Definition m/s^2 a acceleration m meter (m) x, x, d distance kg kilogram (kg) m Mass LONCAPA Unit Symbol Quantity v avg = Δ x Δ t t v a avg Δ Δ = a m F = m F a = a F m = 1/1000 = 0.001 milli 1/100000 = 1x10 -6 micro ( ) 1 x 10 -9 nano 1/100 = 0.01 centi 1000 kilo Value Prefixes Conversions: 1 gallon = 3.79 liters 1 inch = 2.54 cm 1 mile = 1.61 km 1 yard = 36 in run rise slope = g m F gravity = F spring = - k x g = 9.8 m s 2 k = spring constant h g m = grav PE 2 spring 2 1 PE x k = m KE v ) ( 2 = 2 2 1 v m KE = f = # cycles Δ t T = Δ t # cycles f = 1 T 1 2 spring k f m π = v = f λ f = v λ λ = v f g L T π 2 Pendulum = L g f π 2 1 Pendulum = 2 spring m T k π = m T k = 2 2 π
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Two-end-open tube: ! n = 2L/n (n= 1, 2, 3, 4 …)
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