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Elden [556K]
2 years ago
10

How does the law of conservation of energy apply to the changes in potential and kinetic energy of a pencil as it falls to the f

loor?
Chemistry
1 answer:
antiseptic1488 [7]2 years ago
7 0

The changes in the energy law of conservation of energy is Potential energy is converted to kinetic energy. Kinetic energy is converted into potential energy.

<h3>What is the law of conservation of energy?</h3>

Law of conservation of energy says that energy can neither be created nor destroyed, it just transformed from one form to another.

The energies are kinetic, potential, mechanical, gravitational, electrical, etc.

Thus, the changes in the energy law of conservation of energy is Potential energy is converted to kinetic energy. Kinetic energy is converted into potential energy.

Learn more about law of conservation of energy

brainly.com/question/20971995

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An empty container weighs 80.21 g. it is filled with 20.14 mL of an unknown liquid, and the total weight of the container and li
tatiyna

Answer:

1.242 g/mL

Explanation:

Step 1: Given data

Mass of the empty container (m₁): 80.21 g

Mass of the filled container (m₂): 105.22 g

Volume of the unknown liquid (V): 20.14 mL

Step 2: Calculate the mass of the liquid

The mass of the liquid is equal to the difference between the mass of the filled container and the mass of the empty container.

m = m_2 - m_1 = 105.22g - 80.21 g = 25.01 g

Step 3: Calculate the density of the unknown liquid

The density of the liquid is equal to its mass divided by its volume.

\rho = \frac{m}{V} = \frac{25.01g}{20.14mL} = 1.242 g/mL

4 0
3 years ago
natural rubber is white, but the one we see in cars is black, because it was combined with carbon. It is a physical or chemical
AleksAgata [21]

Answer: chemical property

Explanation: This is a chemical property because it was combined with carbon, another molecule acting like an element. The answer to the question is chemical property. Hope this helps!

4 0
3 years ago
Can someone please help me with this asap?
Makovka662 [10]
What is your question I can answer it
7 0
3 years ago
Examine the model of a metallic bond.
Sindrei [870]

Answer:

b the delocalized

Explanation:

it could be the right answer

3 0
3 years ago
In your own words,provide 2 advantages of using meters as a measurement of length rather than old measurements of length such as
Dafna1 [17]

Answer:

1.Accuracy

2.Acceptance

Explanation:

1. The first advantage is Accuracy. Using meters gives us a far more precise unit of measurement because of the exact scale of reading whereas hands and steps are more of approximate methods as they may not be as accurate as the using meter due to lack of exact scale of reading.

2. The second advantage is Acceptance. Usage of meter as a unit of measurement of length is now a widely accepted unit of measurement whereas, hands and steps are not widely accepted due to their approximate nature as compared to the exact nature of metres.

7 0
3 years ago
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