Suppose that the rod is held at rest horizontally and then released. (throughout the remainder of this problem, your answer may include the symbol i, the moment of inertia of the assembly, whether or not you have answered the first part correctly. ) what is the angular acceleration α of the rod immediately after it is released? take the counterclockwise direction to be positive. Express α in terms of some or all of the variables mr, m1, m2, x, i, and g.

Aplan that covers all qualified higer education expenses is known as a

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

Which of the following sentences uses an incorrect verb? a. there is only one good candidate. b. many good candidates are possible. c. a good candidate is hard to find. d. there is many possible candidates.