PHSCS 105 Midterm: BYU PHY 105 exam 2 - Fall 2013
Document Summary
G = 6. 67 10-11 n m2/kg2 kb = 1. 381 10-23 j/k. Mass of sun = 1. 991 1030 kg. Mass of earth = 5. 98 1024 kg. Radius of earth = 6. 38 106 m. Radius of earth"s orbit = 1. 496 1011 m. Linear exp. coeff. of copper: 17 10-6 / c. Linear exp. coeff. of steel: 11 10-6 / c. 1 atm = 1. 013 105 pa = 14. 7 psi. Latent heat of melting (water): 3. 33 105 j/kg. Latent heat of boiling (water): 2. 26 106 j/kg. : 238 j/s m c vsound = 343 m/s at 20 c nrt (diatomic, Volume of sphere = (4/3) r3 v ave v x. N (or p fv w = mg, peg = mgy. F = -kx, pes = kx2 f. Elastic: (v1 - v2)bef = (v2 - v1)after arc length: s = r v = r atan = r ac = v2/r. Physics 105 fall 2013 exam 2 pg 1.
