Physics Problems 315

Physics Problems 315 - 10 5 Pa = 101 . 325 kPa = 14 . 696...

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Appendix 1 Introductory Physics Equation Sheet 311 v 1 f = ( m 1 m 2 ) v 1 i + 2 m 2 v 2 i m 1 + m 2 1-d Elastic Collision Expression v 2 f v 1 f = ( v 2 i v 1 i ) v rel f = v rel i 1-d Elastic Collision Expressions 14 Rotational Kinematics θ = s r ω = v r α = a r ω avg = Δ θ Δ t ω = lim Δ t 0 Δ θ Δ t α avg = Δ ω Δ t α = lim Δ t 0 Δ ω Δ t ω = αt + ω 0 θ = 1 2 αt 2 + ω 0 t θ = 1 2 ( ω 0 + ω ) t ω 2 = ω 2 0 + 2 αθ θ = 1 2 αt 2 + ωt 15 Simple Harmonic Motion P = 1 f ω = 2 πf F = kx PE = 1 2 kx 2 ω = r k m P = 2 π r m k E mech total = 1 2 mv 2 max = 1 2 kx 2 max = 1 2 mv 2 + 1 2 kx 2 x ( t ) = x max cos( ωt ) v ( t ) = ωx max sin( ωt ) a ( t ) = ω 2 x max cos( ωt ) v max = ωx max a max = ω 2 x max P = 2 π R g 16 Fluids ρ = m V P = F A P = P 0 + ρgy depth P = P 0 ρgy height ρ air = 1 . 21 kg / m 3 ρ water = 998 kg / m 3 at 20 C and 1 atm 1 atm = 1 . 01325
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Unformatted text preview: 10 5 Pa = 101 . 325 kPa = 14 . 696 psi = 760 torr Pascals principle P = P ext g ( y y ext ) P = P ext Archimedess principle F buoy = m fuid dis g = fuid V fuid dis g Floating condition f = V 1 V = 2 obj 2 1 equation of continuity for ideal uid R V = Av = Constant Bernoullis equation P + 1 2 v 2 + gy = Constant...
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