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natima [27]
4 years ago
13

Use Percentages Given that the molecular mass of magnesium

Physics
1 answer:
ira [324]4 years ago
5 0

Answer:

27%

Explanation:

15.999 divided by 58.32 = .27433128

Move the decimal place over 2 places.

27%

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Cassie is an engineering undergrad. She does not like talking much, and has become a quiet and withdrawn person while in her pro
stepan [7]

Answer:

A

Explanation:

Analytical people are less responsive to others. They hence tend to focus more on work than people and are less interested in leading, being happier to work by themselves. They may be prudent and systematic, making them good at analytic work.

Some character traits of Analytical people

Focuses on work and working more than people

Likes to be correct and will take time to ensure this

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Good at problem-solving

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8 0
3 years ago
What is the origin of cold, wet air masses.
Ber [7]

Answer:

C. over land in polar regions.

7 0
3 years ago
A block of mass m = 1.00 kg is attached to a spring of force constant k = 500 N/m. The block is pulled to a position xi= 5.00 cm
8_murik_8 [283]

Answer:

The speed of the block is 4.96 m/s.

Explanation:

Given that.

Mass of block = 1.00 kg

Spring constant = 500 N/m

Position x_{i}=5.00\ cm

Coefficient of friction = 0.350

(A). We need to calculate the speed the block has as it passes through equilibrium if the horizontal surface is friction less

Using formula of kinetic energy and potential energy

\dfrac{1}{2}mv^2=\dfrac{1}{2}kx^2-\mu mgx

Put the value into the formula

\dfrac{1}{2}\times1.00\times v^2=\dfrac{1}{2}\times500\times(5.00\times10^{-2})-0.350\times1.00\times9.8\times5.00\times10^{-2}

v^2=\dfrac{2\times12.3285}{1.00}

v^2=24.657

v=4.96\ m/s

Hence, The speed of the block is 4.96 m/s.

6 0
3 years ago
When two atoms bond chemically it is because of the interaction between
lorasvet [3.4K]

Answer:

i think answer should be C

6 0
2 years ago
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Is radioactivity on the Earth something relatively new?
luda_lava [24]

naturally occurring radioactive elements have been around since the Earth's formation


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4 years ago
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