Physics Formulas & Constants: Kinematics, Mechanics, Electrostatics, Waves, Sound, Optics, Study notes of Physics

Download Physics Formulas & Constants: Kinematics, Mechanics, Electrostatics, Waves, Sound, Optics and more Study notes Physics in PDF only on Docsity! Kinematics and Mechanics x = x0 + v0xt + 1/2axt 2 vx = v0x + axt v2x = v 2 0x + 2ax(x − x0) y = y0 + v0yt + 1/2ayt 2 vy = v0y + ayt v2y = v 2 0y + 2ay(y − y0) ΣFx = max ΣFy = may Fc = mv2 r Fg = Gm1m2 r2 PEg = mgh KEtrans = 1/2mv 2 p = mv F = ∆p ∆t P = W t Electrostatics F = kq1q2 r2 F = 1 4π²0 q1q2 r2 ~E = F q ~E = kQ r2 ∆PE = −W Vba = Vb − Va = PEa − PEb q = −Wba q ∆PE = q ∆V E = −Vba d V = k Q r = 1 4π²0 Q r Q = C V C = ²0 A d C = ² A d ² = K²0 PE = 1/2QV = 1/2CV 2 = 1/2 Q2 C Currents I = ∆Q ∆t V = I R R = ρ L A P = I V = I2 R = V 2 R Req = R1 + R2 + R3 = Σi Ri 1 Req = 1 R1 + 1 R2 + 1 R3 = Σi 1 Ri Ceq = C1 + C2 + C3 = Σi Ci (parallel) 1 Ceq = 1 C1 + 1 C2 + 1 C3 = Σi 1 Ci (series) VC = V0(e −t/RC) Magnetism F = IlB sinθ F = qvB sinθ B = µ0 2π I r F2 = µ0 2π I1I2l2 d B = µ0NI l ΦB = BAcosθ Emf = − ∆ΦB ∆t Emf = −N ∆ΦB ∆t Emf = NBωAsin(ωt) VS VP = NS NP IP IS = NS NP