Which of the following graphs shows the relationship between two variables that obey the inverse square law?
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Answer:
The First One (On Odyssey Ware)
Explanation:
Well, if we've been paying attention in class, we already KNOW that the electrostatic force changes as the inverse square of the distance, and the top graph is conveniently labeled "Electrostatic Force".
But if we didn't already know that, we'd have to examine the graphs, and find the one where 'y' changes like 1/x² .
The top graph does that. After 1 unit of time, the force is 350. Double the time to 2 units, and the force should drop to 1/4 of 350 ... sure enough, it's a little less than 90. Double the time again, to 4 units, and it should drop to 1/4 of a little less than 90 ... by golly, it's down below 30.
The first graph is what an inverse square looks like. Now that you've worked out this graph, you'll know an inverse square relationship whenever you see it.
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The sun's apparent motion across the sky from East to West daily is due to theA) rotation of the sun. B) rotation of the earth. C) orbit of the earth around the sun. D) orbit of the sun around the earth.
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The ratio of Na to O is 2:1. What is the chemical formula for this ionic compound? NaO NaO2 Na2O Na2O2
Answers
Explanation:pH (7)
The degree of acidity or alkalinity (basic) is important in organisms. The body must constantly maintain a near neutral pH (7) in the blood and body tissues. To do this, the body produces buffers that can neutralize acids.
Final answer:
Organisms must maintain a specific pH level according to their biological requirements and environment. The majority of human body cells operate within a pH range of 7.2 to 7.6. Depending on their tolerances, microorganisms like neutrophiles, acidophiles, and alkaliphiles can thrive in varying pH levels.
Explanation:
In biological terms, the pH level is an important parameter that organisms need to maintain for survival and optimal functioning. Each type of organism has a different optimal pH range, often within a narrow window, depending on its biological requirements and environment.
Most cells in our bodies, for instance, operate within a pH scale ranging from 7.2 to 7.6. A deviation from this range could adversely affect the functioning of cells and proteins, potentially inducing coma or causing death.
Many microorganisms fall into categories like neutrophiles, acidophiles, or alkaliphiles, based on their optimal pH conditions. Neutrophiles, such as most bacteria, grow best at neutral pH close to 7.0. Acidophiles, on the other hand, grow best at a pH near 3.0, while alkaliphiles have an optimal pH range of 8 to 10.5.
These optimal pH values, minimum and maximum growth pH, cover a wide range, playing a significant role for microorganisms' survival and in food preservation. For example, the optimal growth pH of Salmonella spp. is between 7.0-7.5, but it can tolerate a minimum growth pH of around 4.2.
Extreme acidophiles and alkaliphiles can survive in astonishingly harsh conditions, with some acidophiles living at pH values near zero and alkaliphiles at pH levels around 13. However, conditions that are too acidic or alkaline could break down critical biological molecules like proteins and DNA, therefore posing substantial challenges for organisms' survival.
Learn more about Optimal pH for Organisms here:
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a. 1/2 Potential Energy, 1/2 Kinetic Energy
b. 1/2 Potential Energy, 0 Kinetic
c. 100 Potential Energy
Point B:
a. 1/4 Potential, 3/4 Kinetic
b. 100 Kinetic, 0 Potential
b. 1/2 Potential, 1/2 Kinetic
Point C:
a. 1/2 Potential, 1/2 Kinetic
b. 3/4 Potential, 1/4 Kinetic
c. 100 Potential, 0 Kinetic
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Answer
- Point A-
- Point B-
- Point C- 100 Potential, 0 Kinetic
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Elementary knowledge is essential and specialised. This level teaches fundamental concepts in numerous subjects.
"Elementary" or "fundamental" knowledge contains the most particular notions. This understanding creates the foundation for more complicated thoughts and numerous fields of study.
Elementary knowledge in science, mathematics, and other fields includes foundational ideas, definitions, and concepts needed to understand more complex topics. Such as:
Elementary mathematics includes basic arithmetic, number characteristics, and geometric shapes.
Elementary physics contains Newton's laws and thermodynamics.
Grammar, sentence structure, and vocabulary are elementary in language and literature.
Programming and data structures are computer science basics.
Elementary biology covers cell structure and function.
This foundational information is essential for understanding and interpreting more sophisticated ideas and theories in numerous topics. It supports field-specific learning and exploration. As a person masters basic knowledge, they can go on to more complex topics in their field.
To know more about fundamental concepts
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It is the most general is the superordinate concept, followed by the basic concept, and the most specific is the subordinate concept.
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Answer:
option "c" is correct
Explanation:
Physical science or Physics is the study of matter, energy and their mutual relationship.
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