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galina1969 [7]
2 years ago
11

The linear expansion of a material depends on which of the following?

Physics
1 answer:
nordsb [41]2 years ago
7 0

Answer:

1. The change in temperature of the material.

2. The length of the material.

3. The type of material.

Explanation:

The term linear expansion is defined as the increase in length of any conductor when there is a change in temperature. The new length of any wire or rod is given by :

L=L_o(1+\alpha \Delta T)

L_o is the initial length of the rod

\alpha is the coefficient of linear expansion

\Delta T is the change in temperature

It is clear that the linear expansion of a material depends on :

1. The change in temperature of the material.

2. The length of the material.

3. The type of material.

So, all options are correct.

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You have a horizontal grindstone (a disk) that is 86 kg, has a 0.33 m radius, is turning at 92 rpm (in the positive direction),
Rudiy27

Answer:

a) α = 0.338 rad / s²  b)   θ = 21.9 rev

Explanation:

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Let's replace in the torque equation

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Let's reduce radians to revolutions

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2 years ago
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sveticcg [70]
Anwser

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Hope this helps!
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