IPhO 2000 Country Student No. Question No. PageNo Total No. Of pages FOGLIO DI RISPOSTA: PROBLEMA N.1 A [2 punti] b Distanza y percorsa dal saltatore prima di fermarsi = c Velocità massima v del saltatore = d Durata t della fase di caduta = B [2 punti] b Temperatura massima To = c Massima quantità di energia meccanica disponibile = d Massima quantità di energia meccanica hce si può ottenere in MJ = C [2.2 punti] b Numero di atomi di 206Pb, 206n, = c 207n = d Equazione in T = e Valore approssimato di T in anni = f Valore più accurato di T in anni = D [1.6 punti] (a) Campo elettrico per r<R = Campo elettrico per r>R = b Energia elettrostatica totale = E [2.2 punti] (a) Tempo necessario per dimezzare la velocità angolare in s =
Topic: Newtonian Mechanics, Thermodynamics, Nuclear & Particle Physics Metodi: Conservation of Energy, Kinematic Equations, Radioactive Decay Law, Ideal Gas Law, Gauss’s Law, Torque & Angular Momentum Analysis Competenze: Physical Reasoning, Mathematical Modeling, Diagrammatic Reasoning Objects: String, Heat Engine, Nucleus Fonte: Testo (PDF) — p.1
The following information is provided: Country student No. Question No. PageNo Total No. Of pages The Commission has already decided to take a decision on the proposal. A The following points shall be added: b Distance y travelled by the jumper before stopping = c Maximum speed v of the jumper = d Duration t of the falling phase = B The following points shall be added: b Maximum temperature is To = c Maximum amount of available mechanical energy = d Maximum amount of mechanical energy hce can be obtained in MJ = C The Commission shall adopt implementing acts in accordance with Article 21 of this Regulation. b Number of atoms of 206Pb, 206n, = c 207n = d Equation in T = e Approximate value of T in years = f More accurate value of T in years = D The Commission shall adopt delegated acts in accordance with Article 21 of this Regulation. (a) Electric field for r< R = Electric field for r>R = b Total electrical energy = E The Commission shall adopt implementing acts in accordance with Article 21 of this Regulation. (a) Time required to halve the angular velocity in s =
Topic: Newtonian Mechanics, Thermodynamics, Nuclear & Particle Physics Metodi: Conservation of Energy, Kinematic Equations, Radioactive Decay Law, Ideal Gas Law, Gauss’s Law, Torque & Angular Momentum Analysis Competenze: Physical Reasoning, Mathematical Modeling, Diagrammatic Reasoning Objects: String, Heat Engine, Nucleus Fonte: Testo (PDF) — p.1