Sound waves travel faster through air than through solids

The plates of a parallel-plate capacitor each have an area of 0.1 m^2 and are separated by a 0.9 mm thick layer of porcelain. The capacitor is connected to a 14 V battery. (The dielectric constant for porcelain is 7.) (a) Find the capacitance.

A merry-go-round is a common piece of playground equipment. A 3.0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 300 kg, is spinning at 25 rpm. John runs tangent to the merry-go-round at 5.

What is the spinning rotation of a planet from east to west called?

In order to be considered work, the components that must be present are? ... A) a force and a movement in the same direction as the force. B) an action which causes movement and an opposite reaction. C) an action which causes no movement or reaction.

What is the chemical formula for the binary compound nitrogen dioxide? A) (NO) 2 B) 1N2Ox C) NO2 D) nitro1oxide2

A question about a moral issue is answered by examining facts rather than opinions. is generally considered a scientific question. cannot be answered with scientific methods. cannot be debated through discussion.

Who is most likely to have a physiological age that is much younger than his or her actual age?

Inflammation happens when the mucous membranes cannot stop a pathogen. True False

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

The act, process or state of the change in place or position oa a body with respect to time and relative to the observer is said to be : - 1. Rest 2. Stationary 3. Motion 4. None of the above