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Rina8888 [55]
3 years ago
8

What is a magnetometer and how does it work?

Physics
1 answer:
alekssr [168]3 years ago
8 0
Magnetometers<span> are widely used for measuring the Earth's magnetic field and in geophysical surveys to detect magnetic anomalies of various types. </span>They<span> are also used in the military to detect submarines.</span>
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Earth's rotational axis completes one precession every _____.
ruslelena [56]

A). Earth completes one rotation on its rotation axis
every (3 minutes and 56 seconds less than 24 hours).
This causes night and day.  It's rotation, not precession.

B).  Earth completes one orbital revolution around the sun
every (365 plus a little bit) days.  It's revolution, not precession.

C).  I'm not sure what happens on a cycle of 512 years.
It may have something to do with the moon.  But whatever
it is, it's not precession.

D).  When you spin a top and it starts to run down, the first
thing that happens is that the handle of the top, or the point
on top of the top, starts moving in a circle.  That's precession.
That's what the Earth's axis is doing.  The north pole points
toward the north star (Polaris) now.  But the north pole is
actually drawing out a big circle in the sky, and other stars
will become the "north star" far in the future.
The north pole draws out a full circle in the sky, roughly
once every 26,000 years.  That's precession.

6 0
3 years ago
A girl lifts a 160-N load to a height of 1 min 0.5 s. How much power is used to lift the load?
Aleonysh [2.5K]

Answer: 320 W

Explanation:

P = W/t

W = F * d

F = 160 N

d = 1 m

t = 0.5 s

W = 160 * 1

W = 160 J

P = 160 J / 0.5 s

P = 320 W

8 0
3 years ago
Two particles with oppositely signed charges nC are placed at two of the vertices of an equilateral triangle with side length 3
babymother [125]

The magnitude of the electric field at the third vertex of the triangle is determined as zero.

<h3>Electric field at the third vertex of the triangle </h3>

The electric field at the third vertex of the equilateral triangle due to the other charges placed on the first and second vertices is calculated as follows;

E = E(13) + E(23)

E = (kq₁)/r² + (kq₂)/r²

where;

  • q1 is positive charge
  • q2 is negative charge

E =  (kq₁)/r² - (kq₂)/r²

E = 0

Thus, the magnitude of the electric field at the third vertex of the triangle is determined as zero.

Learn more about electric field here: brainly.com/question/14372859

#SPJ1

5 0
2 years ago
Someone please help me Im confuzled.
fenix001 [56]

its a solid from the pressure they put on a tennis ball would make it full of moving at fast speed matter bites compacted together but still moving.

6 0
2 years ago
PLEASE HELP!! Lab: Electromagnetic Induction
Advocard [28]

I am not sure what this is

5 0
2 years ago
Read 2 more answers
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