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3 years ago

Why it is important to have a regular

Physics

2 answers:

frozen [14]3 years ago

3 0

Answer:

https://magazine.com/an

Explanation:

that's answer

olga2289 [7]3 years ago

3 0

Supervision of weights and measures promotes accurate measurements of goods and services to ensure that everybody gets a fair trade in the marketplace. Not so coincidentally it also is a deterrent to ensure that traders are being honest in their trade practises. Then look at the construction industry. Without constant adherence to accuracy any building/bridge or other construction would soon lose its integrity.

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Number of atoms present in 1 mole of oxygen atom

Afina-wow [57]

Answer:

1 mole of every substance has 6.022 × 10^23 particles. This is called Avagadro's constant

3 0

4 years ago

Which layer of ground contain organic matter and tiny rock particles

Bogdan [553]

A cuz the soil wi;l have the most tiny rock particularly i think feel free to ask any questions marked brailiest would be appreciated

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3 years ago

What is the lewis structure of the covalent compound that contains one nitrogen atom

mario62 [17]

Full Question:

What is the Lewis structure of the covalent compound that contains one nitrogen atom, one hydrogen atom, and one carbon atom?

Explanation:

This covalent compound is the hydrogen cyanide, HCN.

The following steps are used to obtain it;

Step 1. Draw a skeleton structure of the compound based on the elements

Put the least electronegative atom C in the middle with H and Cl on either side.

H-C-N

Step 2. Count the valence (outermost) electrons you can use

H + C + N = 1 + 4 + 5 = 10

Step 3. Add these electrons to give every atom an octet

You have to put a triple bond between C and N.

Note: Each bond is made up of two electrons.

The lewis structure is given in the image below;

3 0

3 years ago

A plane is traveling at a velocity of 90 m/s. It accelerates at a constant rate of 1.5 m/s2 until its velocity reaches 500 m/s.

katrin2010 [14]

Answer:

The distance the plane covered while it was accelerating is 80,633.3 m

Explanation:

Given;

initial velocity of the plane, u = 90 m/s

acceleration of the plane, a = 1.5 m/s²

final velocity of the plane, v = 500 m/s

The distance covered by the plane is given as;

v² = u² + 2ad

where;

d is the distance covered by the plane;

500² = 90² + 2(1.5)d

500² - 90² = 3d

241900 = 3d

d = 241900 / 3

d = 80,633.3 m

Therefore, the distance the plane covered while it was accelerating is 80,633.3 m

5 0

3 years ago

Define centre of mass

Murljashka [212]

Answer:

a point representing the mean position of the matter in a body or system.

Explanation:

8 0

3 years ago