Enclosures not over 100 cu in. having threaded entries and not containing a device shall be considered to be adequately supported where or more conduits are threaded wrenchtight into the enclosure and each conduit is secured within 3 ft of the enclosure.

The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?

Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.

The release of energy by the nucleus of atom as a result of nuclear fission is radiant energy true false