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lora16 [44]
2 years ago
13

Which best describes an acid?

Physics
1 answer:
pishuonlain [190]2 years ago
4 0

Answer:

It would be C.

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A person of mass m is standing on the surface of the Earth, of mass M E . What is the acceleration that the Earth experiences du
Lana71 [14]

Answer:

a_E=\dfrac{Gm}{r^2}

Explanation:

M_E = Mass of the Earth =  5.972 × 10²⁴ kg

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

r = Radius of Earth = 6371000 m

m = Mass of person

The force on the person will balance the gravitational force

M_Ea_E=\dfrac{GmM_E}{r^2}\\\Rightarrow a_E=\dfrac{Gm}{r^2}

The acceleration that the Earth will feel is a_E=\dfrac{Gm}{r^2}

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Which factor below does NOT affect how fast a solute dissolves in a solvent?
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There is no factor on your list of choices that has any effect.
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A force exerted on an object produces acceleration. If the mass remains the same and the acceleration is doubled, the force must
Inga [223]
<h2>Answer</h2>

The force will be doubled.

<h2>Explanation</h2>

Using Newton Law II,

<h3>F = ma </h3>

So it can be seen in the formula that force is directly proportional to mass and acceleration.

if mass is doubled ---> force will be doubled, keeping acceleration constant.

Similarly,

if acceleration is doubled ---? force is will be doubled, keeping mass constant.

<em>It is assumed that there is no friction, the object is in the air with no air resistance.</em>

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