Physic 102 formula sheet (SP2015), Slides of Physics

Download Physic 102 formula sheet (SP2015) and more Slides Physics in PDF only on Docsity! Physic 102 formula sheet (SP2015) Kinematics and mechanics x = x0 + v0t + 1 2 at2 v = v0 + at v2 = v2 0 + 2a∆x F = ma ac = v2 r Etot = K + U K = 1 2 mv2 = p2 2m p = mv WF = Fd cos θ Electrostatics F12 = k q1q2 r2 E = F q0 U12 = k q1q2 r V ≡ U q0 WE = −∆U = −Wyou Point charge E = k q r2 V = k q r Electric dipole p = qd τdip = pE sin θ Udip = −pE cos θ Resistance R = V I I = ∆q ∆t Physical resistance: R = ρ L A P = IV = I2R = V 2 R RS = R1 + R2 + · · · 1 RP = 1 R1 + 1 R2 + · · · Capacitance C = Q V Parallel plate capacitor: C = κε0A d E = Q ε0A V = Ed UC = 1 2 QV = 1 2 CV 2 = 1 2 Q2 C CP = C1 + C2 + · · · 1 CS = 1 C1 + 1 C2 + · · · Circuits∑ ∆V = 0 ∑ Iin = ∑ Iout q(t) = q∞(1− e−t/τ ) q(t) = q0e −t/τ I(t) = I0e −t/τ τ = RC Magnetism F = qvB sin θ r = mv qB Fwire = ILB sin θ τloop = NIAB sinϕ Magentic dipole: µ = NIA τdip = µB sinϕ Udip = −µB cos ϕ Bwire = µ0I 2πr Bsol = µ0nI Electromagnetic induction E = −N ∆Φ ∆t Φ = BA cos ϕ |Ebar| = BLv Egen = Emax sinωt = ωNAB sinωt ω = 2πf Vrms = Vmax√ 2 Irms = Imax√ 2 Vp Vs = Is Ip = Np Ns Electromagnetic waves λ = c f E = cB uE = 1 2 ε0E 2 uB = 1 2µ0 B2 u = 1 2 ε0E 2 rms + 1 2µ0 B2 rms = ε0E 2 rms = B2 rms µ0 S = I = uc = P A f0 = fe √ 1 + vrel/c 1− vrel/c ≈ fe ( 1 + vrel c ) I = I0 cos2 θ 1