What does it mean to say something (for example charge) is "quantized"?
What will be an ideal response?
A "quantized" something comes in basic units and occurs as an integer number of these basic units. For example, isolated objects will be found to have a charge plus or minus ne where n is an integer and e = 1.6 × 10-19 Coulombs.
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Hardness is a comparative property that refers to the ability of a mineral to resist
a. fracturing. b. cleaving. c. scratching. d. crushing.
Which of the following statements is true of the protons in an atom?
A) They are electrically neutral. B) They are positively charged. C) They lack an electric field around them. D) They are made up of multiple neutrons.
The force of the floor pushing up on you to counter your weight is an example of a ________ force.
Fill in the blank(s) with the appropriate word(s).
A 30.0-kg object experiences a drag force due to air resistance with a magnitude proportional to the square of its speed. The object falls with an acceleration of 4.00 m/s2 downward when it is falling downward at 70.0 m/s
What is its terminal speed? A) 172 m/s B) 108 m/s C) 110 m/s D) 157 m/s E) 91.0 m/s