Two identical thin rods, each of mass m and length l, are joined at right angles to form an l-shaped object. This object is balanced on top of a sharp edge (figure 1). If the object is displaced slightly, it oscillates. Assume that the magnitude of the acceleration due to gravity is g.

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.