A group of students performed an experiment to test terminal velocity, which is the greatest speed obtained by a falling object.
The students dropped different numbers of coffee filters and measured the resulting terminal velocity.
Which of the following conclusions is supported by the data in the following data table?
#OF FILTERS |
MASS (g) |
TERMINAL VELOCITY (m/s) |
1 |
1.01 |
1.74 |
2 |
1.99 |
2.48 |
3 |
3.02 |
3.04 |
4 |
4.0 |
3.50 |
5 |
5.01 |
3.80 |
Terminal velocity is when the force of gravity is equal to air resistance.
Heavier objects take more time to reach terminal velocity.
Heavier objects fall faster than lighter objects.
The greater the number of filters, the smaller the terminal velocity.
The Correct Answer is C
The data in the table shows that as the number of filters (and therefore the mass) increases, the terminal velocity also increases.
This means that the heavier objects (with more filters) are falling faster than the lighter objects (with fewer filters).
Choice A is not supported by the data in the table.
Terminal velocity is indeed when the force of gravity is equal to air resistance, but this definition does not provide any information about the relationship between mass and terminal velocity.
Choice B is also not supported by the data in the table.
The data does not provide any information about the time it takes for an object to reach terminal velocity.
Choice D is not supported by the data in the table.
The data shows that as the number of filters increases, the terminal velocity also increases.
This means that the greater the number of filters, the greater (not smaller) the terminal velocity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The cytoskeleton of a cell is comprised of protein fibres that provide structural support and help maintain the shape of the cell.
These protein fibres include microfilaments, intermediate filaments, and microtubules.
Choice A. Carbohydrates is not the correct answer because carbohydrates are a type of macromolecule that provides energy to cells and are not a component of the cytoskeleton.
Choice B. Nucleic acids is not the correct answer because nucleic acids are macromolecules that store and transmit genetic information and are not a component of the cytoskeleton.
Choice C. Lipids is not the correct answer because lipids are a type of macromolecule that makes up cell membranes and are not a component of the cytoskeleton.
Correct Answer is D
Explanation
Genes are segments of DNA that encode the information for making proteins.
The sequence of nucleotides (As, Ts, Cs, and Gs) in a gene determines the amino acid sequence of the protein. DNA sequencing is the process of determining the sequence of nucleotides in a piece of DNA.
Choice A is incorrect because enzymes are proteins that catalyze chemical reactions, not DNA sequences. Choice B is incorrect because blood types are determined by the presence or absence of certain antigens on the surface of red blood cells, not by DNA sequences. Choice C is incorrect because hormones are chemical messengers that regulate various body functions, not DNA sequences.
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