SAT College

Home work 13th 2013
Topic 3 Materials
Student's Bool
3.2 Properties
materials
Strongest or weakest?
1 Before you begin, predict which material you think
will be the strongest and which will be the weakest.
2 How many weights did you put in each bag
before the material broke?

Answers

Answer 1

The term "elements" refers to compounds that cannot be broken down chemically. Both compounds and elements can be used to describe a pure substance or a material.

What are the 4 types of materials?

Materials can be divided into four major categories: composites, metals, polymers, and ceramics. Metals, ceramics, polymers, composites, and semiconductors are just a few examples of the materials that can be utilized to create biomaterials . Metals, polymers, and ceramics have traditionally been considered the three main kinds of materials. Steel, fabric, and ceramics are among examples. Typically, the origins, traits, and uses of these classes are very diverse.

But as the sampling below shows, some materials score quite strongly in a number of important factors. Trees and other woody plants have wood as a structural tissue in their stems and roots. It is made of cellulose fibers, which are strong in tension, encased in a lignin matrix, which resists compression. It is an organic substance. Brittle is an adjective. Hard and readily breakable, brittle material or objects are difficult to work with.

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Related Questions

what is the vertex of x^2 + 4x - 12

Answers

Answer:

[tex](-2, -16)\\[/tex]

Explanation:

The vertex of a quadratic function which gets plotted as a parabola is either the minimum or maximum (x, y) value of that function.

The following rule applies to finding the x value of the vertex

[tex]\mathrm{The\:vertex\:of\:an\:up-down\:facing\:parabola\:of\:the\:form}\:\\y=ax^2+bx+c\:\mathrm{is}\:x_v=-\dfrac{b}{2a}[/tex]

The equation is
[tex]y=x^2+4x-12[/tex]

[tex]\textrm {Here }\\a = 1, b = 4, c= -12\\\\[/tex]

[tex]So\; x_v, \textrm{ the x value of the vertex } = -\dfrac{4}{2\cdot \:1} = -2\\\\\textrm {Plug this value of x into the equation to find the y-value of the vertex}\\[/tex]

[tex]y_v=\left(-2\right)^2+4\left(-2\right)-12\\\\\\y_v = 4 -8 - 12 = -16\\\\[/tex]

[tex]\mathrm{Therefore\:the\:parabola\:vertex\:is}\\(-2, -16)[/tex]

Nationally 38 percent of fourth graders cannot readban age

Answers

Answer:

Nationally, 38% of fourth-graders cannot read an age-appropriate book. The data shows the number of children, by age, identified as learning disabled under special education. Most of these children have reading problems that should be identified and corrected before third grade.

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What is Dante's opinion of Pope Nicholas?

Answers

Answer:

I rly don't know.. I hope someone gives you an answer to your question....

Explanation:

Sry

In brief, Dante was described by Foscolo, as an angry, bilious detractor of the Roman Church who, in the Inferno of the Divine Comedy, condemned Pope Niccolo III (Giovanni Gaetano Orsini - member of the prominent Orsini family from Rome) to spend eternity in the Third Bolgia of the Eighth Circle, headfirst in a hole, ...
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