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Presentation transcript:

Fizika Urnik:

Vaje na: www.e-fizika.si Ostale informacije o izpitih na spletnem referatu. Govorilna ura: ponedeljek 9-10, soba 210 (Z. Jagličić)

Fizika je znanost o ... ? ... naravi Grčija “philosophers”, Aristotel (2000 let) “natural philosophers” ali (grško) “physikos philosophers”, krajše “Physics”. Galileo Galilei (1564-1642): Opazovanja, poskusi! Specializacije: matematika, astronomija, geologija, kemija, biologija, biokemija, biofizika ... Vse kar ni popredalčkano, ostane fiziki.

Fizika, GIG, TUN (izbirni predmet) Vsebina: - kinematika (opis gibanja) - dinamika (F = m a) - gravitacija (F = G m1 m2/ r2, gibanje satelitov) - delo, energija - zgradba snovi, tekočine, tlak (barometri) - termodinamika, notranja energija, plini (vlažnost) - nihanje, valovanje - elektromagnetizem - optika

Literatura: - Visokošolska fizika, R. Kladnik - Physics, Serwey - Skozi fiziko z rešenimi nalogami, H. Šolinc - Zbirka fizikalnih nalog z rešitvami, R. Kladnik & H. Šolinc (Maturanti brez srednješolske fizike?) - Fizika za srednje šole, I. Kuščer, A. Moljk, T. Kranjc, J. Peternelj) in ustrezna zbirka rešenih nalog.

Cilj 2. kolokvija, izpit računski (ali s kolokviji) in teorija Izdelava seminarja ni obvezna. Zviša pozitivno oceno. Prvi kolokvij druga polovica novembra! Skupna ocena = 0.5*R+0.4*T+0.1*S, zaokroženo navzgor. R in T oba pozitivna!

najoddaljenejše galaksije in kvazarji Skala 10-15 10-12 10-9 10-6 10-3 1 femto (fm) piko (pm, pF) nano (nm, nF) mikro (m) mili 103 106 109 1012 kilo (km, kg, kW) mega (MW) giga (GW) tera (TW) 1015 41016 21022 1026 9,46 1015 = 1 sv. leto Proxima Centauri M 31 najoddaljenejše galaksije in kvazarji

SI, 1960: m, kg, s, K, A, sveča (svetilnost), mol Dolžina 1m = pot, ki jo prepotuje svetloba v 1/299 792 458 s.

1 kg = utež v Sevres, Francija (1887) Masa 1 kg = utež v Sevres, Francija (1887) After the Treaty of the Meter had been signed in 1875, the International Bureau of Weights and Measures (BIPM) in Sevres, France, procured 43 prototype kilograms of platinum-iridium in the form of right circular cylinders of equal diameter and height (approximately 39 mm) with slightly rounded edges.

1 s = 9 192 631 770 nihajev cezijeve atomske ure. Čas 1 s = 9 192 631 770 nihajev cezijeve atomske ure. 1999 -- NIST-F1 begins operation with an uncertainty of 1.7 x 10-15, or accuracy to about one second in 20 million years, making it one of the most accurate clocks ever made (a distinction shared with similar standards in France and Germany).

Kinematika .....