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ankoles [38]
3 years ago
8

Where does the energy in an unburned match come from?

Physics
1 answer:
choli [55]3 years ago
5 0

A matchstick has a lot of chemical energy stored in it. When the match is struck, it burns and the chemical energy in it produces heat energy and light energy.

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Before a rifle is fired, the linear momentum of the bullet-rifle system is zero.
marusya05 [52]

Hi there!

II. Linear momentum of the system is zero.

This is an example of a RECOIL collision. With the Law of Conservation of Momentum, momentum remains constant before and after the collision.

Thus, the total momentum would also be equivalent to zero after the collision.

3 0
2 years ago
Which statement correctly describes the relationship between the volume of a gas and its temperature, in Kelvin, assuming pressu
nekit [7.7K]

The relationship is directly proportional; as temperature increases, volume increases in the same way.

Charles's law states that at a constant pressure, the volume of fixed a mass of a gas is directly proportional to its absolute temperature or kelvin temperature.

Mathematically, this law can be written as follows;

V = kT\\\\where;\\k \ \ is \ a \ constant \\\\T \ is \ kelvin \ temperature\\\\V \ is \ the \ volume \ of \ the \ gas

This law explains the direct relationship between Volume of the gas and its Kelvin temperature. That is, as Temperature increases, the volume of the gas increases.

Thus, the correct statement is "The relationship is directly proportional; as temperature increases, volume increases in the same way".

Learn more here: brainly.com/question/16927784

5 0
3 years ago
A train travels from the bottom of a hill to the top of a hill, its moves slower by the time it reaches the top is an example of
Neko [114]
The answer is letter C. <span>A train travels from the bottom of a hill to the top of a hill, its moves slower by the time it reaches the top is an example of negative acceleration.

In physics, acceleration can be described as an objects change of velocity. When an object gains velocity, it is positive acceleration, and negative acceleration for the opposite.

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Thank you for posting your question. I hope you found what you were after. Please feel free to ask me more.

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5 0
3 years ago
Read 2 more answers
I could really use some help on this question guys! Will give brainliest!
aev [14]

Answer:

I think it’s the third one

4 0
2 years ago
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What is transferred by electromagnetic radiation?
Vedmedyk [2.9K]

Answer:energy

Explanation:

Energy is transferred by electromagnetic radiation

6 0
3 years ago
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