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Readme [11.4K]
3 years ago
12

When discussing magnetic fields we could say that

Physics
2 answers:
Vlada [557]3 years ago
6 0
When discussing magnetic fields we could say that metals can become magnetic if they have many spinning electrons that create magnetic fields.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Kamila [148]3 years ago
3 0
<h3><u>Answers;</u></h3>

Metals can become magnetic if they have many spinning electrons that create magnetic fields.

<h3><u>Explanation</u>;</h3>
  • <em><u>Magnets are materials that have the capability of generating magnetic fields. </u></em>They repel non-magnetic materials such as wood, plastic etc. and attract magnetic material such as iron and steel.
  • <em><u>Magnetic materials such as iron and steel may be used to make magnets by the process of magnetization.</u></em> In these magnetic materials such as iron, cobalt and nickel,electrons spin in the same directions which makes the, magnetic but not yet magnets.
  • For metals to attain magnetism they have to be magnetized by having them enter the magnetic field of an existing magnet.
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How is the temperature of a gas related to the kinetic energy of its particles?
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Answer:

As the temperature increases, the kinetic energy of the particles increases.

Explanation:

When the temperature of the substance increases, the velocity increases which makes the movement of the particles to speed up. This causes the particles to increase. Therefore, as the temperature increases, the kinetic energy of the particles also increases.

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Use the graph below to answer the following question: if average acceleration is calculated using the equation, “ change in velo
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Answer:

a=9\ cm/s^2

Explanation:

<u>Average Acceleration </u>

Acceleration is a physical magnitude defined as the change of velocity over time. When we have experimental data, we can compute it by calculating the slope of the line in velocity vs time graph.

Note: <em>We cannot see if the time axis is numbered in increments of 1 second, and we'll assume that. </em>

When t_2=4\ sec, the graph shows a value of v_2=36\ cm/s

When t_1=0\ sec, the object is at rest, v_1=0

We compute the average acceleration as

\displaystyle a=\frac{v_2-v_1}{t_2-t_1}

\displaystyle a=\frac{36\ cm/s-0\ cm/s}{4\ sec-0\ sec}

\displaystyle a=\frac{36\ cm/s}{4\ s}

\boxed{a=9\ cm/s^2}

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A boy is exerting a force of 70 N at a 50-degree angle on a lawn mower. He is accelerating at 1.8 m/s2. Round the answers to the
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Distance measurements based on the speed of light; used for objects in space
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Answer : Yes, distance measurements based on the speed of light used for objects in space.

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Explanation:

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