A ____ is an electromagnetic device that can do mechanical work, such as switching electrical, vacuum, gas, and liquid circuits.
A. diode
B. solenoid
C. potentiometer
D. motor
Answer: B
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Suppose the Engel curve for a particular commodity is given by:
What is the income elasticity for this particular product?
A) 0.333
B) 0.5
C) 0.364
D) 1.77
Add-ons for small tools and payroll additives are calculated as a percentage of the total labor amount of the bid.
Answer the following statement true (T) or false (F)
Two sets of students are collecting traffic data at two sections, xx and yy, of a highway 1500 ft apart. Observations at xx show that five vehicles passed that section at intervals of 3, 4, 3, and 5 sec, respectively. If the speeds of the vehicles were 50, 45, 40, 35, and 30 mi/hr respectively, draw a schematic showing the locations of the vehicles 20 sec after the first vehicle passed section xx. Also determine (a) the time mean speed, (b) the space mean speed, and (c) the density on the highway.
What will be an ideal response?
Biotechnology:
a. Reduces the need for farm programs. b. Benefits all farmers. c. Reduces the effects of globalization. d. Has reduced barriers to trade. e. Has contributed to lower farm prices.