Data from a 6-ft by 6-ft inductive loop detector collected during a 30-second time period indicate that the mean speed of traffic is 50 mi/h among the 16 vehicles counted. Assume an average vehicle length of 19 ft. Determine the density and occupancy.
What will be an ideal response?
a) Density can be calculated by Equation 6.7:
b) Assuming the lengths of the vehicles are approximately the same, Occupancy can be calculated by Equation 6.19:
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The primary function of white blood cells is to
A) remove carbon dioxide from active cells. B) clump together and stick to the blood vessel walls. C) carry oxygen from the lungs to the body's cells. D) carry nutrients from the digestive system to the body's cells. E) help defend the body against pathogens.
Along the outside of the testicles is a tuberous structure called the ________________, which provides a place for sperm storage and maturation
Fill in the blank(s) with correct word
A system that maintains temperatures of -250°F and below is a(n):
A) Cryogenic system. B) Absorption system. C) Ultra-low-temperature system. D) Low-temperature system.
What percent of the entire cycle of strokes in an engine is the power stroke to the nearest tenth? Use a 141-degree power stroke. (Remember, it takes two revolutions to complete the entire cycle.)
A. 17.2 B. 18.9 C. 19.6 D. 20.4