Which of the following is a sign a competitor is aware a company is doing a market test? It starts its own market test.

It alerts the media about the test.

It increases its advertising in the test market.

It pulls its product from affected markets.

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

The two required components for a generator are

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.