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mestny [16]
3 years ago
5

The question is in the image

Physics
1 answer:
Rudik [331]3 years ago
4 0
I’m pretty sure it’s circuit three.

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It is the mathematical and conceptual framework for contemporary Elementary practical physicas. if that make sense to you.
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Does a good insulator prevent energy from getting through it, or slow its passage
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A good heat insulator absorbs all, or almost all, of the heat energy
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A block of mass 0.245 kg is placed on top of a light, vertical spring of force constant 4 975 N/m and pushed downward so that th
FromTheMoon [43]

Answer:

10.99 m

Explanation:

m = mass of the block = 0.245 kg

k = spring constant of the vertical spring = 4975 N/m

x = compression of the spring = 0.103 m

h = height to which the block rise

Using conservation of energy

Potential energy gained by the block = Spring potential energy

mgh = (0.5) k x²

(0.245) (9.8) h = (0.5) (4975) (0.103)²

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6 0
3 years ago
According to Newton's first law of motion, what is required to make an object slow down? Enter your answer in the space provided
LenaWriter [7]

<u>Answer:</u>

According to newton's first law of motion, friction is required to make an object slow down.

<u>Explanation:</u>

According to the Newton's first law of motion, for an object to change its velocity (either a change in the magnitude or the direction), there must be a cause to it which is defined as a net external force.

For example, an object which is sliding across a table or floor slows down due to the net force of friction that is acting on that object.

5 0
3 years ago
Evaluate the use of hydrogen as a fuel. Explain how hydrogen is produced. Write about the environmental impact of using diesel a
posledela

Explanation:

Hydrogen is used as a fuel because it has a high calorific value per molecule when burned in air and also burns explosively. When burned in air, it reacts with oxygen to produce water  which is safe for the environment. This same property of hydrogen of high explosiveness makes it difficult to store safely.  

Hydrogen can be produced through the electrolysis of water. However this is high energy consuming. The most common method is called steam-methane reforming. Methane from hydrocarbon is mixed with steam under high pressure and reacts to produce hydrogen and carbon monoxide.

Diesel and petrol and other petroleum products when burned produce carbon dioxide which is a greenhouse gas. Greenhouse gases when increasing in the atmosphere, cause greenhouse effect that results in global warming.

Learn More:

For more on hydrogen fuel check  out;

brainly.com/question/2666329

#LearnWithBrainly

8 0
3 years ago
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