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Nataliya [291]
3 years ago
12

When jogging outside you accidently bump into a curb. Your feet stop but your body continues to move forward and you end up on t

he ground. Which law of motion is being described in this scenario? (2 points) Select one: a. Law of Universal Gravitation b. Newton's First Law of Motion c. Law of Conservation of Energy d. Newton's Second Law of Motion
Chemistry
1 answer:
Alex3 years ago
4 0

Answer:

Newton's First Law of Motion

Explanation:

Newton’s first law of motion is when an object can’t move or change their speed without some type of force. Inertia is included since is caused by unbalanced force.

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A new compound was recently discovered and found to have an atomic weight of 342.38 amu. This element has two isotopes, the ligh
Rufina [12.5K]

Answer:

The mass of heavier isotope is 345.6 amu.

Explanation:

Given data:

atomic wight of compound = 342.38 amu

lighter isotope mass = 340.91 amu

abundance of lighter isotope = 68.322%

mass of heavier isotope = ?

Solution:

average atomic mass = ( % age abundance of lighter isotope × its atomic mass) + (% age abundance of heavier isotope × its atomic mass)  / 100

percentage of heavier isotope = 100- 68.322 = 31.678

Now we will put the values in formula.

342.38  = (68.322× 340.91) + (31.678 × X) / 100

342.38 = 23291.65302 +  (31.678 × X) / 100

342.38 × 100 = 23291.65302 +  (31.678 × X)

34238 -23291.65302 =  (31.678 × X)

10946.35 / 31.678 = X

345.6 = X

The mass of heavier isotope is 345.6 amu.

5 0
3 years ago
Which of the following molecules is nonpolar?<br> O A. CO2<br> O B. NO<br> ос. со<br> O D. SO2
monitta
The answer is A. Co2
5 0
3 years ago
Why diamond has a very high melting point than aluminium??
Bogdan [553]
Each carbon atom is covalently bonded to four other carbon atoms. A lot of energy is needed to separate the atoms in diamond. This is because covalent bonds are strong, and diamond contains very many covalent bonds. This makes diamond's melting point and boiling point very high.
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3 years ago
What are examples of phenotypes
Naddika [18.5K]

Answer:

Explanation:

Examples of phenotypes include height, wing length, and hair color. Phenotypes also include observable characteristics that can be measured in the laboratory, such as levels of hormones or blood cells.

3 0
3 years ago
Read 2 more answers
Match each definition to the vocabulary word
kirill115 [55]

Answer:

1) prokaryote : no nucleus and is unicellular

2)nucleus : contains genetic information

3) structure: the way it is made

4) eukaryotes : has a nucleus , some are unicellular

5) organelles : perform the different functions the cell need

6) tissue: composed of many cell

7)cell : basic units of Life

8) Mathias schleiden : concluded that all plants are made up of cell

9) Theodore Schwann :concluded all animals are made up of cell

10) Rudolf Virchow : concluded that all cells come from pre-existing cell

5 0
3 years ago
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