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anzhelika [568]
3 years ago
8

What is the process called when a solid changes to a liquid? ???20 points?ASAP please

Physics
2 answers:
svp [43]3 years ago
6 0

Answer:

melting

Explanation:

damaskus [11]3 years ago
5 0

Answer:

melting

Explanation:

Melting, change of a solid into a liquid when heat is applied.

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Den pushes a desk 400 cm across the floor. He exerts a force of 10 N for 8 s to move the desk. What is his power output? (Power:
White raven [17]

Answer:

5 W

Explanation:

The formula of the power is:

● P = W/t

W is the work and t is the time needed to do it(in seconds)

Let's calculate first the work that the force exerced:

W = Vector F . Vector d

D is the distance ( here 400 cm wich is 4 m)

Make a representation to see how are the vectors F and V.(picture below)

The vector F and d are colinear since Den is pushing the desk on the ground.

● W = 4 × 10 = 40 J

J is Joule

■■■■■■■■■■■■■■■■■■■■■■■■■■

● P = W / t

● P = 40/ 8

● P = 5 W

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3 years ago
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julia-pushkina [17]

Answer:

It can do work on an object by moving it or changing it.

Explanation:

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3 years ago
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Ierofanga [76]

Explanation:

Human body, the physical substance of the human organism, composed of living cells and extracellular materials and organized into tissues, organs, and systems.

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6 0
3 years ago
If 20 beats are produced within one second, which of the following frequencies could possibly be held by two sound waves traveli
NeTakaya

Answer:

D. 22 Hz and 42 Hz

Explanation:

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It's actually Friction.

I just did the test and got it right.


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3 years ago
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