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ale4655 [162]
3 years ago
15

What are the three main types of rocks?​

Physics
2 answers:
aksik [14]3 years ago
5 0

metamorphic, sedimentary, igneous

riadik2000 [5.3K]3 years ago
4 0
Metamorphic, igneous, and sedimentary
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egoroff_w [7]
<span>equal and acting on different objects</span>
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Doe anyone get this ​
8_murik_8 [283]

Answer:

we know a = F/ M

Explanation:

  • 2 m/s²
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3 years ago
Jonah is trying to move his 22-kg desk by pushing on it with a force of 130 N, but his brother is leaning on it with a downward
Dafna11 [192]

Answer:

0.54

Explanation:

Draw a free body diagram.  There are 5 forces on the desk:

Weight force mg pulling down

Applied force 24 N pushing down

Normal force Fn pushing up

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Friction force Fnμ pushing left

Sum of the forces in the y direction:

∑F = ma

Fn − mg − 24 = 0

Fn = mg + 24

Fn = (22)(9.8) + 24

Fn = 240

Sum of the forces in the x direction:

∑F = ma

130 − Fnμ = 0

Fnμ = 130

μ = 130 / Fn

μ = 130 / 240

μ = 0.54

6 0
3 years ago
In science, does acceleration happen when an object is slowing down?
Irina18 [472]

Answer:

According to our principle, when an object is slowing down, the acceleration is in the opposite direction as the velocity. Thus, this object has a negative acceleration. In Example D, the object is moving in the negative direction (i.e., has a negative velocity) and is speeding up.

7 0
2 years ago
Which of the following is an example of Newton’s first law of motion?
Zina [86]

Answer:

I think first one

Explanation:

Because his first law of motion was every object will remain at rest or uniform motion in a straight line

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3 years ago
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