Consider the construction shown in (Figure 1). The mass of each ball is m. Ignore the mass of the rods to which the balls are attached. Determine the rotational inertia of the construction about an axis perpendicular to the picture and passing through point A.
Express your answer in terms of m and l.

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.

What happens when a rubber rod is rubbed with a piece of fur?