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MCAT - Physics Equations

# G substance v period1 water pfa p gy fordecibels f

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Unformatted text preview: INUS 2 PLUS 1 MINUS 1 MINUS 1 Same Waves Fluids at Rest ρ = m / V S.G. = ρ / ρ SUBSTANCE v = ƒ λ Period = 1 / ƒ WATER P = F / A P = ρ g y For Decibels – F 10 intensity is +10 decibels = ρ V g buoyant 2 10 intensity is +20 decibels Fluids in motion 10 intensity is +30 decibels Q = A v 3 2 K = P + ½ ρ v + ρ g h Beat Frequency v = √ (2 g h) ƒ Archimedes’ Principle Harmonic Series % Submerged = ρ / ρ FLOATINGOBJECT FLUID 2 = |ƒ – ƒ | 1 2 Fundamental Wavelength (λ ) – 2 nodes 1 Second Harmonic (λ ) – 3 nodes Solids – N / m Stress = F / A BEAT 2 Strain = Δ dimension / original dimension Both Ends Open or Closed: L = ( n λ ) / 2 n Modulus of Elasticity = Stress / Strain Only One End Open L = ( n λ ) / 4 n (n = all numbers) (n = odd numbers) Simple Harmonic Mo...
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