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alex41 [277]
3 years ago
10

List of three questions that you are good at science questions.

Physics
2 answers:
Klio2033 [76]3 years ago
7 0

Answer:

cycles, graphing, precise measurementation

Explanation:

vampirchik [111]3 years ago
5 0

Answer:

Explanation:

Explain the reason why difffusion happens quickly at high temperatures?

Naming simple compounds.

Explaining the musculoskeletal system.

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The type of bond formed by shared electrons is covalent, ionic, or metallic
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How many different types of atoms are present in one molecule of aluminum hydroxide, Al(OH)3?
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An object in the shape of a thin ring has radius a and mass M. A uniform sphere with mass m and radius R is placed with its cent
madreJ [45]

Answer:

F = GMmx/[√(a² + x²)]³

Explanation:

The force dF on the mass element dm of the ring due to the sphere of mass, m at a distance L from the mass element is

dF = GmdM/L²

Since the ring is symmetrical, the vertical components of this force cancel out leaving the horizontal components to add.

So, the horizontal components add from two symmetrically opposite mass elements dM,

Thus, the horizontal component of the force is

dF' = dFcosФ where Ф is the angle between L and the x axis

dF' = GmdMcosФ/L²

L² = a² + x² where a = radius of ring and x = distance of axis of ring from sphere.

L = √(a² + x²)

cosФ = x/L

dF' = GmdMcosФ/L²

dF' = GmdMx/L³

dF' = GmdMx/[√(a² + x²)]³

Integrating both sides we have

∫dF' = ∫GmdMx/[√(a² + x²)]³

∫dF' = Gm∫dMx/[√(a² + x²)]³    ∫dM = M

F = GmMx/[√(a² + x²)]³  

F = GMmx/[√(a² + x²)]³

So, the force due to the sphere of mass m is

F = GMmx/[√(a² + x²)]³

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3 years ago
How many grams of co2 are in 3 moles of the compound
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Answer:132.0285

Explanation: Hope this helps!

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Steel is made of atoms of iron and carbon. Would iron and carbon form metallic bonds? Explain your answer choice.
Hatshy [7]

Sample Response: "No, steel and carbon would not form metallic bonds because metallic bonds only form between metals. Iron is a metal, but carbon is not."

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