PHYS 2220 Midterm: 2012_ex1

• School: University of Utah
• Department: Physics & Astronomy
• Course: PHYS 2220
• Professor: All

Document Summary

Data: use these constants (where it states, for example, 1 ft, the 1 is exact for significant figure purposes). 1 b n a bx dx a bx. 1 hour = 3600 sec = 60 min (exact) 1 day = 24 hr (exact) gearth = 9. 80 m/s2 = 32. 2 ft/s2 gmoon = 1. 67 m/s2 = 5. 48 ft/s2. O = 8. 85 10-12 c2/(n m2) eelectron charge = -1. 60 10-19 c melectron = 9. 11 10-31 kg. G = 6. 67 10-11 n(cid:1668)m2/kg2 k = 8. 99 109 n(cid:1668)m2/c2. = 6. 02 1026 atoms/kg(cid:1668)mole cos(a b) = cos a cos b (cid:1496) a sin b. (h2o) = 1000 kg/m3 sin(a b) = sin a cos b sin b mproton = 1. 67 10 27 kg h = 6. 64 10-34 j. = 3. 14 c = 3. 00 108 m/s. A -8. 0 nc point charge is 3. 0 cm away from a long and thin uniformly-charged straight rod.