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skad [1K]
3 years ago
14

1. Magnetism comes from ____________________ inside the Earth.

Physics
1 answer:
olya-2409 [2.1K]3 years ago
5 0

Answer:

1. Magnetism comes from minerals found inside the Earth.

2. Iron, nickel, and cobalt does stick to magnets.

3. Moving electrons can produce electricity to make a magnet.

4. A compass works because Earth is magnetic.

5. In a magnet, the electrons are in a line.

6. A magnet has a north and south pole.

7. Two north poles will push away from each other.

8. An MRI is a test that uses magnets to see inside of the brain.

9. The Earth’s core is iron and nickel.

10. The north pole and south pole of a magnet attracts.

11. A magnetic field is formed when electricity is flowing.

12. When a compass faces north it is called a magnetic field.

13. Aurora Borealis are the solarwinds glowing at the North Pole.

14. Sunspots are caused by the sun’s magnetic field.

15. In a computer, the __________________________ chips are magnetic

Explanation:

In my class we watched "Bill Nye the Science Guy S02E01 Magnetism" first video that shows up

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Help with this question.....​
mariarad [96]

Answer:

g_{moon}=1.67 [m/s^{2} ]

Explanation:

The weight of some mass is defined as the product of mass by gravitational acceleration. In this way using the following formula we can find the weight.

w =m*g\\

where:

w = weight [N]

m = mass = 0.06 [kg]

g = gravity acceleration = 10 [N/kg]

Therefore:

w=0.06*10\\w=0.6[N]

By Hooke's law we know that the force in a spring can be calculated by means of the following expression.

F=W\\F = k*x

where:

k = spring constant [N/m]

x = deformed distance = 6 [cm] = 0.06 [m]

We can find the spring constant.

k= F/x\\k=0.6/0.06\\k=10 [N/m]

Since we use the same spring on the moon and the same mass, the constant of the spring does not change, the same goes for the mass.

F_{moon}=k*0.01\\F = 10*0.01\\F=0.1[N]

Since this force is equal to the weight, we can now determine the gravitational acceleration.

F=m*g_{moon}\\g=F/m\\g = 0.1/0.06\\g_{moon} = 1.67[m/s^{2} ]

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3 years ago
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