A 5. 0 kg object suspended on a spring oscillates such that its position x as a function of time t is given by the equation x (t ) = a cos(ωt ), where a = 0. 80 m and ω = 2. 0 s-1. What is the magnitude of the maximum net force on the object during the motion?.

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