Define a molecule.
What will be an ideal response?
A molecule consists of atoms and cannot be broken down further without changing the chemical composition of the substance.
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Explain the difference between constant current and constant voltage.
What will be an ideal response?
Explain what posttensioning of concrete is.
What will be an ideal response?
What is the pressure at the bottom of a water tank that has a cross section of 10 ft2 and is filled with water to a depth of 40 ft?
A) 40 ft × 0.433 lb/ft = 17 psi (rounded) B) 40 ft × 0.433 lb/ft × 10 ft2 = 170 psi (rounded) C) (40 ft × 10 ft2)/0.433 = 924 psi (rounded) D) (40 ft × 0.433 lb/ft)/10 ft2 = 1.7 psi (rounded)
Solve and reduce all answers to lowest terms: 1/4 x (1/2 + 1/8) - 1/16 =
What will be an ideal response?