2 years ago

14. If 100 grams of sodium nitrate are dissolved in 100 grams of water

Physics

1 answer:

Aleks [24]2 years ago

4 0

Answer:

Unsaturated

Explanation:

the solubility of sodium nitrate is at 60 C is 124g/ml therefore, putting 100 grams will not saturate fully.

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When we shake a mango tree, the mangoes fall down. It is because when we shake the tree, the mango tend to be rest due to inertia where as the branches are in motion. That is why the mangoes tend to be at rest due to inertia where as the branches are in the motion.

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Which of the following was not a factor that got the public interested in NASA? A. real people B. scientific reports C. adventur

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B. Scientific reports

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3 years ago

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Shtirlitz [24]

Answer:

the speed after 3 seconds is 10 m/s

Explanation:

The computation of the speed is shown below:

As we know that

V = U + at

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t = 3 Sec

V = velocity after 3 sec

V = 34 + (-8)3

= 34 - 24

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2 years ago

Find expressions for the force needed to bring an object of mass m from rest to speed v in time t. express your answer in terms

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Good morning.

We have that:

$\mathsf{V = a\cdot t}$ , since we have rest in the inicial time.

The acceleration can be found with Newton's Law:

$\mathsf{F = m\cdot a\iff a = \dfrac{F}{m}}$

Now we put the acceleratin in the velocity equation:

$\mathsf{V = \dfrac{F}{m} \cdot t}$

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2 years ago