One kg of water interacts with a generator turbine wheel and slows from 5.2 m/s before the wheel to 3.8 m/s after the wheel. How much energy has been given to the wheel??
Fill in the blank(s) with the appropriate word(s).
6.3 joules
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72 kg of air moves at a speed of 4.9 m/s. How much kinetic energy does this mass of air have??
Fill in the blank(s) with the appropriate word(s).
Given a cable tray that is available in standard widths of 6, 12, 18, 24, and 36 inches, what is the minimum width of a 3-inch deep cable tray used for the following cables that are all 4/0 or larger: two with 1.5-inch diameter; three with 1.75-inch diameter; and two with 2.5-inch diameter?
a. 6 inches b. 12 inches c. 18 inches d. 24 inches
"Subsoil" is generally equivalent to which soil horizon?
A) A B) B C) C D) D E) E
A ____ replaces the arrowhead on a leader connecting a specific note to a surface.
A. slash B. mark C. tilde D. dot E. none of the above