What is the process in which a substance changes from a solid into a liquid?

Physics

1 answer:

arlik [135]3 years ago

3 0

Melting, of course. Just as how an ice cube melts to water.

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2. Classify Identify the following materials as thermal conductors or

Elenna [48]

Answer -
Wooden spoon: thermal insulator
Iron frying pan: thermal conductor
Plastic spatula: thermal insulator
Steel fork: thermal conductor

Hope this helps

5 0

3 years ago

The rotational kinetic energy term is often called the kinetic energy in the center of mass, while the translational kinetic ene

weqwewe [10]

Answer:

Explanation:

The total kinetic energy is the sum of the kinetic energy in the center of mass (Rotational Kinetic energy) plus the kinetic energy of the center of mass( Translational Kinetic Energy).

The formula

$K_{tot} = K_{t} +K_{r}$ is applicable only when

The moment of inertia must be taken about an axis through the center of mass.

6 0

4 years ago

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A slab of a thermal insulator is 100 cm2 in cross section and 2 cm thick. Its thermal conductivity is 0.1 J/s.m.ºC. If the tempe

bekas [8.4K]

-5 W is the heat flows through the slab in one day

Explanation:

The heat transferred is directly proportional to the area of the material and the temperature differences in the body, whereas the heat transfer is inversely proportional to the length of the material
The equation can be written as $Q=-k \frac{ A T}{l}$ where Q is the heat transfer, k is the thermal conductivity of the material, A is the area of the material and T is the difference in the temperature and the l is the length of the material.
Given that, A= 100 $cm^{2}$ , l= 2 cm, k = 0.1 J/S. m. c and T= 100 degree Celsius
Substitute these values in the equation, you will get Q= -5 W

5 0

3 years ago

Explain what must be true of component waves for reinforcement or interference to occur.

alisha [4.7K]

The component of waves must have same frequency and phase.

when the component of waves vibrate at the same rate and attain maximum point at the same time, reinforcement of the waves amplitude occur to cause a constructive interference.However, when the two waves are out of phase where one is at minimum when the other is at maximum a destructive interference happens.

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3 years ago

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A firm receives an order for a square-base rectangular storage container with a lid. The container has a volume of 20 cubic mete

Stels [109]

Answer:$ 506.05

Explanation:

Given

volume of container $=20 m^3$