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3 years ago

Pls help I will give brainliest

Chemistry

1 answer:

exis [7]3 years ago

7 0

Answer:

paki sagot naman pls para my isagot ako sa module ko ty

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An alloy with an average grain diameter of 35 μm has a yield strength of 163 Mpa, and when it undergoes strain hardening, the gr

Lera25 [3.4K]

Answer:

$\sigma_y\ =210.2\ MPa$

Explanation:

Given that

d= 35 μm ,yield strength = 163 MPa

d= 17 μm ,yield strength = 192 MPa

As we know that relationship between diameter and yield strength

$\sigma_y=\sigma_o+\dfrac{K}{\sqrt d}$

$\sigma_y\ =Yield\ strength$

d = diameter

K =Constant

$\sigma_o\ =material\ constant$

So now by putting the values

d= 35 μm ,yield strength = 163 MPa

$163=\sigma_o+\dfrac{K}{\sqrt 35}$ ------------1

d= 17 μm ,yield strength = 192 MPa

$192=\sigma_o+\dfrac{K}{\sqrt 17}$ ------------2

From equation 1 and 2

$192-163=\dfrac{K}{\sqrt 17}-\dfrac{K}{\sqrt 35}$

K=394.53

By putting the values of K in equation 1

$163=\sigma_o+\dfrac{394.53}{\sqrt 35}$

$\sigma_o\ =96.31\ MPa$

$\sigma_y=96.31+\dfrac{394.53}{\sqrt d}$

Now when d= 12 μm

$\sigma_y=96.31+\dfrac{394.53}{\sqrt 12}$

$\sigma_y\ =210.2\ MPa$

4 0

3 years ago

Plssss help for a and b and if possible pls give an explanation but you don’t have to!

Pepsi [2]

Answer:

0 net force it is balanced

Explanation:

If the amount of force is the same on both sides the net force equals 0

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How can general properties influence element location on a periodic table?

REY [17]

Answer:

The elements in the periodic table are arranged in order of increasing atomic number.

Explanation:

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Is Amplitude a measure of a waves? A. speed B. energy C. distance D. frequency

iren2701 [21]

the answer is C. Distance

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I NEED ANSWER ASAP PLS (picture included)

mojhsa [17]

Answer: Heres a vid talking about the topic and answer (it helpes!)

Explanation:

h t t p s : / / w w w . y o u t u b e . c o m / w a t c h ? v = i i k 2 5 w q I u F o

remove the spaces bc you know brainly -_-

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3 years ago