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bearhunter [10]
2 years ago
15

True or false, when a material loses thermal energy, it usually contracts.

Chemistry
2 answers:
Brums [2.3K]2 years ago
8 0

Answer:

True

Explanation:

Whenever something loses thermal energy, it contracts and becomes smaller.

IgorLugansk [536]2 years ago
8 0

Answer: it might be true

Explanation:

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<em>The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alternations in the constitution of their molecules is chemistry.</em>

Explanation:

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Ice and water

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Can someone help me with number 1 and 2 plz!
GalinKa [24]

Answer:

1) 0 N

2) 8 N

Explanation:

The net force is the sum of all of the forces acting on the object.

For question 1, we can see that there is a force of 5 N acting to the right and 5 N acting to the left.  If we define the right to be positive and the left to be negative, then the net force equals:

Fnet = 5N - 5N = 0 N

Therefore, the net force in question 1 is 0 N.

For question 2, the process is very similar.  We want to find the sum of the forces acting on the object.  In this case, there are forces of 3 N and 5 N acting to the right.

Fnet = 3 N + 5 N = 8 N

Therefore, the net force in question 2 is 8 N.

Hope this helps!

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Adam observed properties of four different waves and
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D)The sound quality for these waves cannot be compared.

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I've done it on e2020

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