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prisoha [69]
2 years ago
15

What happens to matter when we add or take away heat energy?

Physics
1 answer:
Mazyrski [523]2 years ago
6 0
When you add heat, the kinetic energy increases. When you take away heat, the kinetic energy decreases. 
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Would you rather have no air conditioning or no heating? Explain your answer
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No air conditioning, I already don’t have it, I only have heating :(
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When the chemical name of a compound is being written, the subscripts will determine the symbols. elements. prefixes. suffixes.W
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C. Prefixes

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What does the model below represent?
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You are lost at night in a large, open field. Your GPS tells you that you are 122.0 m from your truck, in a direction 58.0o east
Drupady [299]

Answer:

The person is 187[m] farther and 70° south to east.

Explanation:

We can solve this problem by drawing a sketch of the location of the person and the truck, then we will draw the displacement vectors and finally the length of the vector and the direction of the vector will be measured in order to give the correct indication of where the person will have to move.

First we establish an origin of a coordinate system.

We can see in the attached schema that the red vector is the displacement vector from the last point to where the truck is located.

The length of the vector is 187 [m], and the direction is 70 degrees south to East.

3 0
3 years ago
What is the moment of inertia of an object that rolls without slipping down a 2.00-m-high incline starting from rest, and has a
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E = mgh +  \frac{1}2} m v^{2} + \frac{1}{2} I \omega^{2} = mgh +  \frac{1}2} m  r ^{2}   \omega ^{2}  + \frac{1}{2} I \omega^{2}

for a solid cylinder:  I =  \frac{1}{2} m r^{2}
for a hollow cylinder: I = mr^{2}

I will look at the case of a hollow cylinder:

E = mgh + I \omega ^{2} = constant \\ \\ I =  \frac{mgh}{  \omega^{2} }

That is as far as i get.


7 0
3 years ago
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