Beam ab has a negligible mass and thickness, and supports the 200-kg uniform block. It is pinned at a and rests on the top of a post, having a mass of 20 kg and negligible thickness. (figure 1).

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.

In 1999, the u.s. announced trade sanctions worth $116.8 million, targeting goods from france, germany, italy and denmark. the sanctions were in retaliation for a ban on u.s. hormone-treated beef by which organization?

What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.