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3 years ago

5

Describe how thermal energy is transferred

1 answer:

ikadub [295]3 years ago

4 0

Answer:

Thermal energy typically flows from a warmer material to a cooler material. Generally, when thermal energy is transferred to a material, the motion of its particles speeds up and its temperature increases. There are three methods of thermal energy transfer: conduction, convection, and radiation.

Explanation:

ion know...

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Two long parallel wires are separated by 6.0 mm. The current in one of the wires is twice the other current. If the magnitude of

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4 years ago

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Nesterboy [21]

Answer:

$\Delta E_{floor} = 51 J$

Explanation:

The work (W) done on the cube to be pushed across the floor is equal to the total thermal energy (ΔE) of the system:

$W = \Delta E_{T} = \Delta E_{cube} + \Delta E_{floor}$ (1)

Also, the work done on the cube by the horizontal force is giving by:

$W = F \cdot d$ (2)

<em>where F: force applied to the cube , d: displacement of the cube </em>

<em>By equaling the equations (1) and (2)</em>, we can find the thermal energy of the floor:

$\Delta E_{cube} + \Delta E_{floor} = F \cdot d$

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$\Delta E_{floor} = 51 J$

So, the increase in the thermal energy of the floor is 51 J.

Have a nice day!

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3 years ago