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3 years ago

What type of matter is 100 grams of sodium chloride? (1 point)

Physics

2 answers:

sergiy2304 [10]3 years ago

6 0

Hdiigiovoovoodkjwnxjcovov

Sedbober [7]3 years ago

6 0

Option D Pure Substance That is a compound and please tell me If I’m wrong thank you ✌

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According to Newton's Second Law of Motion, an object will accelerate if you apply what kind of force? Question 1 options: Frict

Bumek [7]

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.:

brainly.com/question/25810165

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2 years ago

How might a nation be affected if another nation did not follow agreed upon water rules

forsale [732]

The other nation will get mad at the other nation and they could start a war
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3 years ago

What is the energy (in evev) of a photon of visible light that has a wavelength of 500 nmnm?

lisabon 2012 [21]

<h3>Answer:</h3>

E≈2,5 eV

<h3>Explanation:</h3>

_______________

λ=500 nm = 500·10⁻⁹ m

c=3·10⁸ m/s

h=6,63·10⁻³⁴ J·s = 4,14·10⁻¹⁵ eV·s

_______________

E - ?

_______________

$\displaystyle \boldsymbol{E}=h\nu =h \frac{c}{\lambda} =4,14\cdot 10^{-15} \; eV\cdot s\cdot \; \frac{3\cdot 10^8\; m/s}{500\cdot 10^{-9}\; m} =2,484\; eV\approx \boldsymbol{2,5\; eV}$

6 0

2 years ago

Need help I'll give you 30 points please.

Ksivusya [100]

Cathode Ray Tube i think?

7 0

3 years ago

A block with mass m is pulled horizontally with a force F_pull leading to an acceleration a along a rough, flat surface.

Simora [160]

Answer:

$\mu_k=\frac{a}{g}$

Explanation:

The force of kinetic friction on the block is defined as:

$F_k=\mu_kN$

Where $\mu_k$ is the coefficient of kinetic friction between the block and the surface and N is the normal force, which is always perpendicular to the surface that the object contacts. So, according to the free body diagram of the block, we have:

$N=mg\\F_k=F=ma$

Replacing this in the first equation and solving for $\mu_k$ :

$ma=\mu_k(mg)\\\mu_k=\frac{a}{g}$

6 0

3 years ago