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Answer: Knowing that the structural tube shown has a

Mechanics of Materials | 6th Edition | ISBN: 9780073380285 | Authors: Ferdinand Beer ISBN: 9780073380285 142

Solution for problem 8.75 Chapter 8

Mechanics of Materials | 6th Edition

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Mechanics of Materials | 6th Edition | ISBN: 9780073380285 | Authors: Ferdinand Beer

Mechanics of Materials | 6th Edition

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Problem 8.75

Knowing that the structural tube shown has a uniform wall thicknessof 0.25 in., determine the normal and shearing stresses at thethree points indicated.

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Psychology 201­Mind and Brain Week 2 & 3 Chapter 2 ­the scientific method in psychology Theory, hypothesis, data, cyclical process ­theory: examination based on data ­hypothesis: prediction based on theory ­research:test hypothesis—> either support theory or fails to support theory Good theories: generate testable and falsifiable ­theories can be proven wrong but not right ­we say (consistent with data) ­no amount of data can prove a theory “right” 4 goals of psychological science 1) description: mental process and behaviors 2) understanding: (explaining) developing theories of how mind works 3) prediction: using theories to predict thoughts 4) Application/Control: applying theories to influence behavior and though. How do we observe ­descriptive data: observing and classifying behavior Correlational studies ­examine how variables er related in the real world ex) sleep and stress are co related Operational definition of variables ­includes how it is measured (self report, objective, measures) ­Measure should have validity and reliability. Correlational research drawbacks: ­casual ­directionality ­poor sleep stress Chapter 3 Neurons: receive, transmit, integrate info in nervous system ­electrical signals within neurons ­chemical between neurons Dendrites: detect chemicals from neighboring neurons (send chemicals) Cell Body: receives information form dendrites Axon: electrical impulses are transmitted (receive chemicals) synapse: neurons communicate by sending info ion channels: in membrane, allow in and out of cell when neuron transmits signals down axon Agonist: drug enhances neurotransmitters action Antagonist: drug inhibits neurotransmitter action Parts of brain: frontal: thought, planning, movement parietal : touch, spatial relations occipital : vision temporal : hearing, memory Subcostal structures: ­cerebral cortex: hemispheres ­thalamus: receives incoming info ­hypothalamus: thirst, hunger, agression, lust ­hippocampus: new episodic memories—> brain grows with new memories ­amygdala: emotional processing & memories ­basal ganglia: voluntary movement, learning habits Much of what we know about functional specialization in the brain was learned from lesion studies The story of Phineus Gage: ­An accident with dynamite drove an iron rod into his cheek and through his frontal lobes. He survived the accident but his behavior and personality changed after the accident: lack of ability to plan, control, and assess behavior. Why is the case of Phineas Gage important to psychology It is a miracle that he survived the accident. It was the first demonstration of a relationship between brain structure and personality. It demonstrated that Gage’s cognitive functions were completely intact despite the accident. It demonstrated that humans do not need their leU prefrontal cortex. neural plasticity: change in structure, function, or organization of the brain in response to injurer experience genotype: genetic makeup Phenotype: physical characteristic Contralateral Control: left hemisphere controls right side of body, vice versa

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Chapter 8, Problem 8.75 is Solved
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Textbook: Mechanics of Materials
Edition: 6
Author: Ferdinand Beer
ISBN: 9780073380285

Mechanics of Materials was written by and is associated to the ISBN: 9780073380285. The answer to “Knowing that the structural tube shown has a uniform wall thicknessof 0.25 in., determine the normal and shearing stresses at thethree points indicated.” is broken down into a number of easy to follow steps, and 23 words. The full step-by-step solution to problem: 8.75 from chapter: 8 was answered by , our top Engineering and Tech solution expert on 11/15/17, 02:40PM. This textbook survival guide was created for the textbook: Mechanics of Materials, edition: 6. Since the solution to 8.75 from 8 chapter was answered, more than 238 students have viewed the full step-by-step answer. This full solution covers the following key subjects: determine, indicated, knowing, normal, points. This expansive textbook survival guide covers 11 chapters, and 1493 solutions.

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Answer: Knowing that the structural tube shown has a