Exámenes de Física II URV 2024
Los 2 exámenes de Física II de la URV (Grado en Química) de 2024 (Exámenes de Física II: Teoría y Laboratorio (Mayo 2024) y Extraordinary Exam - Physics), con 18 problemas resueltos. Entran temas como Oscillations: simple harmonic, damped and forced y Work, mechanical energy and potential energy curves. Practícalos con corrección al momento, pistas en cada apartado y la solución paso a paso.
Exámenes de Física II: Teoría y Laboratorio (Mayo 2024) (2024)
Temas del examen: Oscillations: simple harmonic, damped and forced · Work, mechanical energy and potential energy curves · Electrostatics: Coulomb, electric field, Gauss's law and potential · Direct current circuits · Laboratory: measurement, errors, elasticity and fluids
- Ejercicio Lab 1 · Laboratory: measurement, errors, elasticity and fluids
Explain how the volume resolution error changes when determining all length dimensions solely by caliper instead of other instruments, compute the magnitude of this change, and discuss whether random… - Ejercicio Lab 2 · Oscillations: simple harmonic, damped and forced
A force of 20 N applied to two series springs produces an elongation of 10 cm. Find the equivalent spring constant, and determine the individual spring constants k1 and k2 knowing that k1 = 0.5 k2. - Ejercicio Lab 3 · Oscillations: simple harmonic, damped and forced
Explain how the action of a driving motor displacing the suspension support point translates into an effective harmonic driving force on the oscillating mass. - Ejercicio Exercise 1 · Oscillations: simple harmonic, damped and forced
Calculate spring constant, maximum elongation, ground speed, and equation of motion for a bungee jumper. - Ejercicio Exercise 2 · Direct current circuits
Analyze a DC circuit with three identical generators (E = 9 V, r = 1 ohm), resistors, and a capacitor in steady state: compute equivalent emf and internal resistance in series and parallel, determine… - Question 1 · Work, mechanical energy and potential energy curves
A particle moves in a Morse potential field V(x) = e^(-2x) - 2e^(-x). Analyze and discuss the dynamics of the particle if its total mechanical energy is E = -0.5 J, finding equilibrium position,… - Question 2 · Electrostatics: Coulomb, electric field, Gauss's law and potential
A charge Q = +5 nC is at (0, 0). (a) Determine the energy required to bring q = +1 nC from infinity to A(3 m, 4 m). (b) Determine the work required to displace q from A(3 m, 4 m) to B(4 m, 3 m). - Ejercicio Simulation 1 · Electrostatics: Coulomb, electric field, Gauss's law and potential
In an electrostatic simulation with q = +1 uC at (0, 0), record V, E, Ex, Ey, alpha at (100 m, 100 m) and (100 m, -100 m), and verify against theoretical values. - Ejercicio Simulation 2 · Electrostatics: Coulomb, electric field, Gauss's law and potential
Place a charge q = -1 uC at (0,0) and measure V, E, Ex, Ey, alpha at (100 m, 100 m) and (100 m, -100 m). Compare with the positive charge case. - Ejercicio Simulation 3 · Electrostatics: Coulomb, electric field, Gauss's law and potential
Place an electric dipole q1 = +2 uC at (-100 m, 0) and q2 = -2 uC at (100 m, 0). Record V, E, Ex, Ey, alpha at (-100 m, 0), (0, 0), (-150 m, 0), (0, 150 m), and (-150 m, 150 m). - Ejercicio Simulation 4 · Electrostatics: Coulomb, electric field, Gauss's law and potential
Record electric potential and field magnitude from simulation for three point charges at (150 m, 0), (0, 150 m), (-150 m, 150 m), and (200 m, 0). - Ejercicio Lab 4 · Laboratory: measurement, errors, elasticity and fluids
Theoretically evaluate the center of gravity coordinates (X_CG, Y_CG) of a flat homogeneous 10 cm x 10 cm plate with a central top cutout leaving two side arms of width 3 cm and a base of height 3 cm. - Ejercicio Lab 5 · Laboratory: measurement, errors, elasticity and fluids
A sphere with diameter 2.12 cm has mass 126.75 g in air and apparent mass 122.18 g in a liquid. Calculate: a) the buoyant force exerted by the liquid, b) the density of the liquid. - Ejercicio Lab 6 · Electrostatics: Coulomb, electric field, Gauss's law and potential
A charge q1 = -4 μC is at (0, 0) and q2 = +2 μC is at (200 m, 200 m). a) Calculate magnitude and direction of the net electric field at A(100 m, 100 m). b) Sketch the resulting electric field vector… - Ejercicio Lab 7 · Direct current circuits
Lab 7. Association of resistances and Kirchhoff's laws: What was the experimental value of the galvanometer current IG measured in your laboratory session? Under what circumstances can IG = 0 A…
Extraordinary Exam - Physics (2024)
Temas del examen: Oscillations: simple harmonic, damped and forced · Central forces, gravitation and orbits
- Ejercicio Exercise 1 - Simple harmonic motion · Oscillations: simple harmonic, damped and forced
For a mass-spring system (m = 200 g, parallel springs k1 = 0.9 N/m, k2 = 1.1 N/m) released from rest at x(0) = -2 cm: (a) find keq, omega0, and T0; (b) write the equation of motion x(t); (c) compute… - Ejercicio Exercise 1 - Damped oscillations · Oscillations: simple harmonic, damped and forced
Assuming that air friction produces a resistive force equal in magnitude to 1/4 of velocity: a) Find the new angular frequency, period, and equation of motion. b) Sketch the total energy as a… - Ejercicio Exercise 2 · Central forces, gravitation and orbits
A satellite of mass 500 kg orbits Earth at 350 km altitude. Determine the type of orbit, the orbital speed, period, and angular velocity, the minimum kinetic energy required to escape to infinity,…
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Practica un tema con ejercicios de los exámenes de todos los años, mezclados.
- Oscillations: simple harmonic, damped and forced · 11 problemas · 55 % de que salga
- Electrostatics: Coulomb, electric field, Gauss's law and potential · 18 problemas · 50 % de que salga
- Direct current circuits · 15 problemas · 50 % de que salga
- Laboratory: measurement, errors, elasticity and fluids · 6 problemas · 45 % de que salga
- Work, mechanical energy and potential energy curves · 9 problemas · 40 % de que salga
- Central forces, gravitation and orbits · 7 problemas · 40 % de que salga