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tino4ka555 [31]
3 years ago
12

He metal aluminum coils in an air conditioner conduct thermal energy from inside the house and release it outside the house. Wha

t can be said about the coils when they are accepting the heat inside the house?
They must be warmer than the air inside the house.
They must be cooler than the air inside the house.
They must have more thermal energy than the air inside the house.
They must be more insulated than the air inside the house.
Physics
2 answers:
victus00 [196]3 years ago
7 0
They must be cooler than the air inside the house




If they where warmer than they would warm the room
Softa [21]3 years ago
6 0

Answer: The correct option is "They must be cooler than the air inside the house".

Explanation:

Thermal energy flows from the body at higher temperature to the body at the lower temperature.

In the given problem, the metal aluminum coils in an air conditioner conducts thermal energy from inside the house. The coils must be cooler than the air inside the house.

The thermal energy flows from inside the room to the coils in an air condition. Then, the thermal energy flows from the metal aluminium coils to outside the house.

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Explain why water boiling in a container stops<br>boiling momentarily when the lid is removed​
Dmitriy789 [7]

Answer:

It's because it tips over the threshold from nucleate boiling, which we can see, to convection boiling, which we can't. ... Even if the steam stayed in the pot, it would still stop boiling when you removed the heat. The steam and water in a liquid/vapour mixture are at the same temperature (100ºC).

Explanation:

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4 years ago
How much heat is givne out when 6.0g of water freezes at 0 degrees celcius the heat of fusion of water is 80.0 cal/g?
kirza4 [7]
The heat of fusion must be approx from 0 to infinity
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3 years ago
A 4kg block moving right at 6 m/s collides elastically with a 2kg block moving right at 3 m/s find their final velocity
nignag [31]

The final velocity of block 1 is 2.2m/s and the final velocity of block 2 is 3.4m/s.

<h3>What do you mean by elastically?</h3>

Although the terms scalability and elasticity are occasionally used interchangeably, scalability is more commonly used to describe a system's ability to successfully handle an increasing workload, while elasticity implies that the system is also capable of rapidly expanding or decreasing capacity and services. The capacity of an IT environment to grow and shrink in response to business requirements is one of its characteristics. Physics defines resilience as a material's ability to absorb energy and react elastically in order to maintain its integrity and avoid deforming as a result of the pressures it is subjected to.

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6 0
2 years ago
What is the distance from axis about which a uniform, balsa-wood sphere will have the same moment of inertia as does a thin-wall
andrey2020 [161]

Answer:

D_{s} ≈ 2.1 R

Explanation:

The moment of inertia of the bodies can be calculated by the equation

     I = ∫ r² dm

For bodies with symmetry this tabulated, the moment of inertia of the center of mass

Sphere               Is_{cm} = 2/5 M R²

Spherical shell   Ic_{cm} = 2/3 M R²

The parallel axes theorem allows us to calculate the moment of inertia with respect to different axes, without knowing the moment of inertia of the center of mass

    I = I_{cm} + M D²

Where M is the mass of the body and D is the distance from the center of mass to the axis of rotation

Let's start with the spherical shell, axis is along a diameter

     D = 2R

    Ic = Ic_{cm} + M D²

    Ic = 2/3 MR² + M (2R)²

    Ic = M R² (2/3 + 4)

    Ic = 14/3 M R²

The sphere

    Is =Is_{cm} + M [D_{s}²

    Is = Ic

    2/5 MR² + M D_{s}² = 14/3 MR²

    D_{s}² = R² (14/3 - 2/5)

    D_{s} = √ (R² (64/15)

    D_{s} = 2,066 R

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4 years ago
If air resistance acts on a falling object will all of its potential energy be converted into kinetic energy?
Mademuasel [1]

Answer:

No, some energy will be dissipated energy due to work of air resistance.

6 0
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