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3 years ago

Difference between G and g

Physics

1 answer:

garri49 [273]3 years ago

3 0

Explanation:

G is the universal constant of gravitation, approximately 6.67×10⁻¹¹ m³/kg/s².

g is the acceleration due to gravity. It's defined by the universal law of gravity as:

g = MG / r²

where M is the mass of the planet and r is the distance from the planet's center to the object.

Near the surface of the Earth, g is approximately 9.8 m/s².

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Which of the following is a false statement about dispersion forces? View Available Hint(s) Which of the following is a false st

icang [17]

Explanation :

Dispersion forces are also known as London dispersion forces. It is the weakest force. Also, it is the part of the Van der Waals forces.

(1) This force is exhibited by all atoms and molecules.

(2) These forces are the result of the fluctuations in the electron distribution within molecules or atoms. Due to these fluctuations, the electric field is created. The magnitude of this force is explained in terms of Hamaker constant 'A'.

(3) Dispersion forces result from the formation of instantaneous dipoles in a molecule or atom. When electrons are more concentrated in a place, instantaneous dipoles formed.

(4) Dispersion force magnitude depends on the amount of surface area available for interactions. If the area increases, the size of the atom also increase. As a result, stronger dispersion forces.

So, the false statement is "Dispersion forces always have a greater magnitude in molecules with a greater molar mass".

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3 years ago

What will decrease over time as a result of improved

bagirrra123 [75]

Answer:

Explanation:

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3 years ago

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A student was walking with a mass of 40 kilograms and an acceleration of 1 m/s/s. What is the force exerted on her?

ValentinkaMS [17]

Answer:

Explanation:40x1=40 40=b

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3 years ago

A spacecraft is separated into two parts by detonating the explosive bolts that hold them together. The masses of the parts are

nordsb [41]

Answer:

0.279 m/s

Explanation:

mass (m1) = 1150 kg

mass (m2) = 1900 kg

impulse (J) = 200 N.s

With what relative speed do the two parts separate because of the detonation?

since both parts separate, their relative speed = speed of m1 + speed of m2

speed of m1 = $\frac{J}{m}$ = $\frac{200}{1150}$ = 0.174 m/s

speed of m2 = $\frac{J}{m}$ = $\frac{200}{1900}$ = 0.105 m/s
relative speed = 0.174 + 0.105 = 0.279 m/s

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3 years ago

A Rac variant, in which the residue at position 61 was replaced with an alanine (Rac61A), was synthesized. Wild-type Rac and Rac

ludmilkaskok [199]

Answer:

Ammonia, $(NH_{3})$

Explanation:

If a Rac variant, in which the residue at position 61 was replaced with an alanine (Rac-61A), was synthesized. Also, Wild-type Rac and Rac-61A were incubated separately with VopC.

In order to obtain data to support that VopC modifies Rac at residue 61, the samples should be analyzed for the presence of Ammonia ( $NH_{3}[\tex]) compound.In chemistry, the Vanadyl Phthalocyanine (VopC) comprises of a catalytic domain that activates host cells GTPase Rac irreversibly, through the deamide side chain of the residue existing at position 61.Also, we know that a deamidation reaction gives off Ammonia, [tex](NH_{3})$ and as such when ammonia is present in the sample containing Wild-type Rac but not in Rac-61A, this simply proves or provide the data to support that VopC modifies Rac at residue 61.

<em>Additionally, deamidation can be defined as the chemical conversion (hydrolysis) of an amide functional group such as glutamine, asparagine, in a polypeptide to another functional group such as glutamic acid or isoaspartic acid respectively by treating it with a strong acid (deamidate, transamidase). </em>

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3 years ago

Difference between G and g​

Difference between G and g