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faust18 [17]
3 years ago
8

POINTS WILL BE GIVEN!! VVV SIMPLE IF YOURE A GENIUS

Physics
2 answers:
insens350 [35]3 years ago
6 0

Answer:

9

Explanation:

hope it helps

madreJ [45]3 years ago
3 0

Answer:

i dont know, I do not understand anything i.d.k

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Select the correct answer.<br> Which hand is negatively charged?
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Answer:

b

Explanation:

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3 years ago
According to Newton's Second Law of Motion, an object will accelerate if you apply what kind of force? Question 1 options: Frict
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An unbalanced force is required to accelerate an object according to Newton's Second Law of Motion.

<h3>What does Newton's Second Law of Motion state?</h3>

It states that the force applied to the object is equal to the product of mass and acceleration.

F = ma

  • An object will accelerate when the net force applied on the object is more than zero or unbalanced.
  • The acceleration is the change in the direction or speed of the object. To achieve acceleration the force must be greater in a direction.

  • When force is greater in one the object move in that direction which is known as acceleration.

Therefore, an unbalanced force is required to accelerate an object according to Newton's Second Law of Motion.

Learn more about Newton's Second Law of Motion.:

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5 0
2 years ago
During an investigation, a scientist heated 123.6 g of copper carbonate till it decomposed to form a black residue. The total ma
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Answer:

See below explanation

Explanation:

The correspondent chemical reaction for copper carbonate decomposed by heat is:

CuCO₃ (s) → CuO (s) + CO₂ (g)

Considering all molar mass (MM) for each element ( we consider rounded numbers) :

MM CuCO₃ = 123 g/mol

MM CuO = 79 g/mol

MM CO₂ = 44 g/mol

Statement mentions that scientis heated 123.6 g of CuCO₃ (almost a MM), until a black residue is obtained, which weights 79.6 g : this solid residue is formed by CuO, and the remaining mass (approximatelly 44 g) belongs to teh second product, this is, CO₂; as it is a gas compund, it is not certainly included on the solid residue.

So, law of conservation mass is true for this case, since: 123.6 g = 79.6 g + 44 g. As explained, on the solid residue, we don not include the 44 g, which  "escaped" from our system, since it is a gas compound (CO₂)

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3 years ago
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The American Psychological Association is the only organization that can approve psychological research studies.
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Answer: This is False.

Explanation:

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