Which of these scenarios would lead to an industry requiring more productive workers? Supply of goods increases, and demand for goods decreases. Supply of goods decreases, and demand for goods remains the same. Supply of goods increases, and demand for goods remains the same. Supply of goods decreases, and demand for goods increases.​

Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.

Is the number of complete movements of a wave per second.

Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8