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ololo11 [35]
3 years ago
15

Which of the following are not related to a materials structure? (Mark all that apply) a)- Atomic bonding b)- Crystal structure

c)- Atomic number d)- Microstructure
Engineering
1 answer:
belka [17]3 years ago
3 0

The answer is c) atomic number

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A steel rod, which is free to move, has a length of 200 mm and a diameter of 20 mm at a temperature of 15oC. If the rod is heate
kherson [118]

Explanation:

thermal expansion ∝L = (δL/δT)÷L ----(1)

δL = L∝L + δT ----(2)

we have δL = 12.5x10⁻⁶

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δT = 115°c - 15°c = 100°c

putting these values into equation 1, we have

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12.5X10⁻⁶ *115-15 * 20

= 0.025

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3 years ago
A train travels 650 meters in 25 seconds. What is the train's velocity?
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The train is traveling 26 meters A second .

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An object whose mass is 251 kg is located at an elevation of 24 m above the surface of the earth. For g-9.78 ms, determine the g
Harlamova29_29 [7]

Answer:

Gravitational Potential =58.914 KJ

Explanation:

We know that

Gravitational Potential Energy = mass\times g\times Height

Given mass = 251 kg

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Applying values in the equation we get

Gravitational Potential Energy=251X9.78X24 Joules

Gravitational Potential Energy=58914.72 Joules

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4 0
4 years ago
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