A single-phase, 86-ampere load is located 2800 ft (853 m) from the 480-volt electrical power source. What size aluminum conductors should be installed if the voltage drop cannot exceed 3%

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

Which position represents spring in the southern hemisphere? a) b) c) d)

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?