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julia-pushkina [17]
4 years ago
6

When can thermal energy in a system move from lower to higher temperatures?

Physics
1 answer:
Fed [463]4 years ago
4 0

Answer:

When the object in creases or decreases in temperature.

Explanation:

Heat flow moves energy from a higher temperature to a lower temperature. The bigger the difference in temperature between two objects, the faster heat flows between them. When temperatures are the same there is no change in energy due to heat flow. Radiation and Conduction are the two methods of heat transfer..

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One of the reasons you love your home is because every side of your home faces South. One day, while talking on the phone, you h
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The bear is white in color because it is a polar bear.

<h3>What are the color of bears?</h3>

Bears are very large carnivorous animals found around the cold regions of the Arctic or North Pole.

The color of bears, may be brown, black or white depending on how far North the bears are found.

Bears found close to the Arctic or North pole are white polar bears.

Based on the description of the house, every side of the home faces South meaning that the individual lives in the North pole.

Therefore, the color of the bear will be white.

in conclusion, polar bears are white in color.

Learn more about polar bears at: brainly.com/question/21618662

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2 years ago
True or false? "The internal energy is the total energy stored in the bonds of a sample."
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3 years ago
Which statement best explains why Earth’s outer core is in liquid form? The iron-nickel alloy melts due to hot temperatures. The
amm1812

Answer:

A. The iron-nickel alloy melts due to hot temperatures.

Explanation:

7 0
3 years ago
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Where is the best place to put pfds while you are out on your boat?
Alexeev081 [22]
The best place to put PFDs while you are out on your boat is at the top deck of your boat. PFDs must be placed at an area where it is easily accessible, especially in times of accidents, without any unnecessary gear or objects covering the PFDs, but it is best to wear a life jacket during the whole duration of the boat trip.
3 0
4 years ago
David lifts a book 1.2 meters from the floor to the top of his desk. If the book weighed 0.50 kg, what is the gravitational pote
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Answer:

5.886 J

Explanation:

Given:

The mass of the book is, m=0.5 kg

Height of lift is, \Delta h=1.2 m

Acceleration due to gravity is, g=9.81 m/s²

Now, gain in gravitational potential energy is a function of change in position and is given as:

\Delta PE=mg\Delta h

Here, \Delta PE is the change in gravitational potential energy.

Plug in 0.5 kg for m, 9.81 for g and 1.2 for \Delta h. Solve for \Delta PE

\Delta PE=0.50\times 9.81\times 1.2=5.886\ J

Therefore, the gain in gravitational energy of the book is 5.886 J.

7 0
4 years ago
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