Write the formula for the p. e. possessed by a spring due to its stretch from the relaxed position.?

Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?