Tarefa 3 de Física 2 - Priscila

Física II\n aluna: Patrícia Grata\n prof: Cláudia Ginerz\n\n Tabela 3 - Teoria científica e Onda gravitacional\n * Onda de aumento transversal de uma corda: y(1) = 2 km(x2 - x1)z2\n\n 1. a) λ = ?\n k = ?\n ω = ?\n A = 2 m\n k = 2π/λ\n f = 1/T\n λ = ?\n 7d1 = 2π / (c) x\n λ = π/12\n f = 0.483 = 1/T\n 0.483 = 1/10,483\n T = 2.907 a) aduconrato y y0 = 0.1 cm x = 0.5 cm c = 19.91 b0 = 0.1 ad/m\n y1 = 2·sin(7.1, 0.1, 2, 5 - 2, t2 + 9, 8)\n y1 = 1.198 m\n\n 2. expressão onda reticulada grudada para interferência entre y1 e y2:\n y2 = J \u00b7 sin(2.1 x + 2.1 z + 2 t)\n\n \u2032\u2032 = (2.9 m). J, e com k = 100 w\n y' = (a2 - e, sen 2d, 1 x) w0 a2, 1 e t\n y2 = (4,s en 2d, 1 x) cos 2, 1 z t\n 3. expressão onda progressiva grudada para interferência entre y3:\n 10) y2 = 2 gm. cos 1/2 J (x - w + 2 0)\n y'0 = [a2 · gm. cos 1/2] sen (1a2, 1, (-2, 1, 2) t + 1 1/3)\n y'1 = [a2 · d cos 1/2] sen (7a2, 1, (-2, 1, 2) t + 1, 1/3)\n y'2 = [4·cos(π/6)] sen(7d, 1, (-2, 1, 2) t + π/6) 4. e1 = 2.5 m\n m2 = 0.10 kg\n F = 70 N\n u1 = ?\n v2 = ?\n u2 = √(F/m)\n u2 = √(80 w/0.1 kg/m)\n u2 = 10 m/s\n\n 5. m2 = 0.50 kg/m\n F = ?\n v2 = ?\n F = µ · v²\n F = 0.50 kg/m2 · 6.0 m/s²\n F2 = 18 N 7. \n\nv = 200 cm/s = ?\n\nv = \\u03bb\n\nv = \\u03bb\n\nv = \\u2022 400 cm/s\n\nII. T = 0,5 \\u03bc s ? \n\n10 \\u03bb = 100\n\n1 \\u03bb = 200 cm\n\nL, 0.200 m\n\nIII. F \n\nIV. f = 2,0 \\u03bc Hz ?\n\nT = 1/f = 0.5\n\nR: a) II, IV e V\n\nb) II, IV e V\n\n 8. \n\n\\u03bb\n\n6.00cm\n\n------->\n\n300cm\n\na) V\n\nb) F\n\nc) F\n\nd) F\n\ne) F\n\n9. \\u03bb = 2.4\\u03bc m\n\nf = 300 Hz\n\nv = ?\n\nv = \\u03bb . f\n\nv = 2.(2,4\\u03bc m). 300 Hz\n\nv = 480 m/s\n 10.\n\nv = 10 m/s\n\n\\u03bb = 1.5 m\n\nf = ?\n\nf = 6 . v / \\u03bb\n\nf = 6 . 10 m/s / (2.(1.5 m))\n\nf = 12 Hz