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sergey [27]
3 years ago
14

Explain how thermal conductivity occurs in poor conductor materials​

Physics
2 answers:
salantis [7]3 years ago
6 0

Answer:

Poor conductor metals contain only atoms.

She on side is heated, the atoms vibrate hence passing on their vibration energy to the neighboring atoms. The process is gradual a d continuous

Explanation:

{}

DIA [1.3K]3 years ago
3 0

Answer:

• As heat is applied to one end of this material, atoms in the hotter region gain vibràtory energy at a maximum amplitude. They transfer it on to their neighboring atoms and heat is transfered along this material in form of vibràtory energy.

Explanation:

{}

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Answer:

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Explanation:

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7 0
2 years ago
When is the velocity of a mass on a spring at its maximum value?
ehidna [41]

Answer:

A.  when the mass has a displacement of zero

Explanation:

The velocity of a mass on a spring can be calculated by using the law of conservation of energy. In fact, the total energy of the mass-spring system is equal to the sum of the elastic potential energy (U) of the spring and the kinetic energy (K) of the mass:

E=U+K=\frac{1}{2}kx^2 + \frac{1}{2}mv^2

where

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x is the displacement of the mass with respect to the equilibrium position of the spring

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v is the velocity of the mass

Since the total energy E must remain constant, we can notice the following:

- When the displacement is zero (x=0), the velocity must be maximum, because U=0 so K is maximum

- When the displacement is maximum, the velocity must be minimum (zero), because U is maximum and K=0

Based on these observations, we can conclude that the velocity of the mass is at its maximum value when the displacement is zero, so the correct option is A.


8 0
3 years ago
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Explanation:

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