What is the most abundant mineral in Earth's crust? What is the second most abundant mineral?
What will be an ideal response?
oxygen; silicon
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A series of tests in which water was heated while flowing through a 1 m-long electrically heated tube of 1.3 cm ID yielded the experimental pressure-drop data shown next.
GIVEN
Water flowing through a tube
Isothermal and nonisothermal pressure drop data given above
The dimensionless friction factor
Reynolds number
Inside tube diameter
Tube length
FIND
Dimensionless equation of the form:
SKETCH
PROPERTIES AND CONSTANTS
From Appendix 2, Table 13, for water
Newton's Second Law in 1 Dimension: A certain aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is 27.0 m/s. If the braking force is a constant 445,000 N, what is the speed of the airplane 10.0 s later?
A. 10.0 m/s B. 12.2 m/s C. 14.0 m/s D. 18.0 m/s E. 20.0 m/s
The example shown is a(n) ______ website structure.
A. linear/tutorial B. hierarchical C. webbed D. random
The entropy of the surroundings remains constant during an adiabatic change even if the change is irreversible
Indicate whether the statement is true or false