If g (x) = x²?4x+4 write out and simplify
(a) g(z)
(b) g(u + v)
(c) g(ejt)
(d) g(g(t))
(e) g(2)
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In an actual DC motor, many loops of wire, called ____, are used to make the DC motor run more smoothly and develop more power.
a. stator windings b. permanent windings c. armature windings d. linear windings
In a galvanized steel plate that carries the designation G60, the number 60 means that
A) the total mass of zinc coating on both surfaces of the plate is 60 g/ft2. B) the total mass of zinc coating on both surfaces of the plate is 60 oz/ft2. C) the total mass of zinc coating on each surface of the plate is 60 oz/ft2. D) the total mass of zinc coating on each surface of the plate is 60 g/ft2. E) none of the above.
The purpose of a cross-break on a sheet metal duct is to _____.
a. provide a means for connecting duct sections b. reduce duct noise c. make the duct more rigid d. provide an attachment point for insulation
What type of load tends to push material together?
A. compression B. tensile C. shear D. stress