Why is it important to a nation that they be able to develop and control the production of items such as computer chips, batteries, drills, and software?
to prevent technical espionage
O to enforce copyright laws
to enhance manufacturing capacity
O to enhance patriotism

Afan that can provide air speeds up to 60 m/s is to be used in a low-speed wind tunnel with atmospheric air at 35 c. if one wishes to use the wind tunnel to study flat-plate boundary layer behavior up to reynolds numbes of re 10, what is the minimum plate length that should be used? at what distance from the leading edge would transition occur if the critical reynolds nurnber were rer,e = 5 × 105?