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velikii [3]
2 years ago
15

Explain how Newton's idea about inertia has helped in astronomy?

Chemistry
2 answers:
MrRa [10]2 years ago
8 0

Answer: A

Explanation:

lilavasa [31]2 years ago
3 0

Answer:

the answer is  A  because  when something is going straight  it wont change unless its acted  upon by a force

Explanation:

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A 28.5 gram piece of iron is added to a graduated cylinder containing 45.5 mL of water. The water in the cylinder rises to the 4
sweet-ann [11.9K]

Answer:

7.92 .g . mL^-1

Explanation:

Data provided in the question

Water liters = 45.5 mL

Pace of iron = 28.5 gram

Rise in the water in the cylinder = 49.1 mark

So by considering the above information

As we know that

Density = \frac{Mass}{Volume}

where,

Mass = 28.5 gram

Volume = 49.1 - 45.5

              = 3.6 mL

So, the density is

Density = \frac{28.5}{3.6}

= 7.92 .g . mL^-1

Basically we use the density formula by dividing the mass with the volume

4 0
3 years ago
What are Kr and Xe. (elements)?
nasty-shy [4]
The elements are Krypton and Xenon
8 0
3 years ago
The chemical force for which of the following ions is directed into the cell? The chemical force for which of the following ions
Over [174]

Answer:

Both sodium and calcium.

Explanation:

The membrane potential is maintained inside and outside of the cell due to the unequal distribution of the different ions. This membrane potential difference is important for the generation of action potential.

The resting membrane potential is around +30 mV. This is due to the presence of potassium ions. The sodium and calcium ions must enter in the cell to change this membrane potential and generates the action potential in the body.

Thus, the correct answer is option (3).

5 0
2 years ago
HURRY I WILL GIVE YOU BRAINLIEST
Amiraneli [1.4K]

dim? im not so fluent in this but i did research yesterday

6 0
2 years ago
The neutron main responsibility is to
jarptica [38.1K]
Neutrons are responsible for combining with protons in the nucleus together to be held by the strong force. Too many neutrons in an atom will result in radioactive decay due to the neutrons' force overpowering the strong force.
5 0
3 years ago
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