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d1i1m1o1n [39]
3 years ago
8

What is the length x of the side of the triangle below? (Hint: use the cosine function.)

Physics
1 answer:
Firlakuza [10]3 years ago
7 0
A because that is the answer
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alexdok [17]

Answer:

turtle

Explanation:

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3 years ago
Describe the energy change in the particles of a substance during melting. A) The kinetic energy of the particles remains unchan
Rina8888 [55]

Answer:

As ice melts into water, kinetic energy is being added to the particles. This causes them to be 'excited' and they break the bonds that hold them together as a solid, resulting in a change of state: solid -> liquid.

Explanation:

As we may know, the change in state of an object is due to the change in the average kinetic energy of the particles.

This average kinetic energy is proportional to the temperature of the particles.

This is because heat is a form of energy; by adding energy to ice - heat, you "excite" the water molecules, breaking the interactions in the lattice structure and forming weaker, looser hydrogen-bonding interactions.

This causes the ice to melt. This is demonstrated in the image below.

More generally, when you remove energy - the object cools down, the particles move a lot slower. So slow, that they individually attract other molecules more than before, and this results in a physical change that also changes the state.

3 0
3 years ago
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Please help with the chart.
eimsori [14]
Unicellular: An organism that consists of a single cell

Multicellular: An organism with multiple cells

Eukaryotic: A cell that contains a nucleus

Prokaryotic: A cell with no nucleus

Autotrophic: An organism that has the ability to make their own food

Heterotrophic: Organism that cannot create their own food

Asexual reproduction: When an organism has the ability to create offspring without the help of another organism

Sexual Reproduction: When two organisms create an offspring using the gametes
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Matter is anything that has
Svetlanka [38]

Answer:

Space

Explanation:

Hope this helped

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3 years ago
Pressure is defined as
Gnesinka [82]
Pressure is defined as force per area.

It is normally further advantageous to apply pressure preferably than force to explain the importance toward liquid reaction.
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