Two spherical objects have masses of 3. 1 x 105 kg and 6. 5 x 103 kg. The gravitational attraction between them is 65 n. How far apart are their centers?.

You can reduce glare in snowy weatuer by?

Which of the following would be considered a nec code violation in regards to the installation of luminaires? a. an outdoor lighting fixture mounted to a tree b. a five-pound, 12-inch diameter light fixture supported by the screw shell of the lampholder c. florescent lay-in fixtures attached to the framing sections of a suspended ceiling with sheet-metal screws d. track lighting over a sink, 2 feet from a bathtub

Should teachers be allowed to have guns at school? why or why not?