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Dmitriy789 [7]
4 years ago
6

What's the definition of sound?

Physics
2 answers:
Eddi Din [679]4 years ago
7 0
Vibrations that travel through the air 
Temka [501]4 years ago
4 0
<span>vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.</span>
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What is work? how do we solve for work?​
slava [35]

Answer: Work can be calculated with the equation: Work = Force × Distance. The SI unit for work is the joule (J), or Newton • meter (N • m). One joule equals the amount of work that is done when 1 N of force moves an object over a distance of 1 m.

Explanation:

5 0
3 years ago
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What would make oppositely charged objects attract each other more?
Lady_Fox [76]

Answer:

A. increasing the positive charge of the positively charged object and increasing the negative charge of the negatively charged object

Explanation:

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3 years ago
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The force of air particles over an area is A.) temperature B.) pressure C.) Volume D.) Kelvins
Westkost [7]

Answer:The anwser is B i Promise ok

Explanation:

3 0
3 years ago
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Which statement best compares an asteroid with Earth?
Alla [95]
Answer:

<span>C) Both have rocky composition 

Explanation

Earth has rocks. Many many rocks.

It is made of many type of rocks such as </span>sedimentary<span>, </span>metamorphic<span>, and </span><span>igneous rocks. and guess what a asteroid is? That is right ! A ROCK.
</span>A asteroid is normally made of  <span>stony silicate rocks , but not always , sometimes I can be diamonds!! The point is , they both are rocks floating around space.</span><span>

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4 0
4 years ago
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A block slides down a slope inclined at 37 degrees. If the slope is frictionless and the block starts off at rest, how fast is i
lianna [129]

Answer:

Vf= 3.435 m/s

Explanation:

Given:

Initial velocity Vi =0 m/s (starting from Rest position)

θ = 37⁰

Distance S = 1 m

To find: Final Velocity Vf=?

fist we have to find the down slope net acceleration a = g sin θ

a= 9.81 sin  37⁰ = 5.9 m/s²

By 3rd equation of motion

2 a S= Vf² - Vi²

Vf = Square root ( 2 × 5.9 m/s²  × 1  + 0 m/s)

Vf = Square root (11.8)

Vf= 3.435 m/s

3 0
3 years ago
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