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frosja888 [35]
3 years ago
10

Why are electromagnets used in metal scrap yards?

Physics
2 answers:
Andrej [43]3 years ago
8 0
Because the electromagnets can pick up magnetic material and move it around, hope this helps
iragen [17]3 years ago
8 0

Answer:

To separate the magnetic substance from the scrap.

Explanation:

The electromagnets are the magnets which shows magnetic properties when the electric current pass through them.

The magnetic substances are attracted towards the electromagnet from the scrap.

We can increase or decrease the strength of electromagnet by increasing or decreasing the strength of electric current pass through it.

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How are electrical signals transmitted over long distances?
forsale [732]

Answer:

Over such small distances, digital data may be transmitted as direct, two-level electrical signals over simple copper conductors. This results from the electrical distortion of signals traveling through long conductors, and from noise added to the signal as it propagates through a transmission medium.

4 0
3 years ago
Could someone please explain to me Archimede's principle without using the term displace (or at least explaining what it means)?
disa [49]
Does this help?

When an object is immersed in a fluid (in this case water, but may include both liquids and gases) the fluid exerts an upward force on the object which is called buoyancy force or <span>up-thrust.  Archimedes’ Principle states that the buoyant force (upward push or force) applied to an object is equal to the weight of the fluid that the object takes the space of by that object.  Thus when an object is placed in water the rise in the water level is dictated by the mass of that object.</span>

<span>
</span>

<span>So for example if you fill a bucket with water and you drop a stone in that bucket, if you measure the weight of the water that overflows from the bucket due to the stone being dropped into the bucket is equivalent to the pushing force that the water has on the stone (as the stone drops to the bottom of the bucket the water is pushing it to stay afloat but the rock is more dense than water and as such its downthrust exceeds water's upthrust).</span>


4 0
3 years ago
Medical x-rays, with a wavelength of about 10^(-10) m, can penetrate completely through your skin.
natulia [17]
Wavelength of X-rays = 10⁻¹⁰ m
Wavelength of UV = 1000 x 10⁻¹⁰
= 10⁻⁷ m
4 0
3 years ago
A 15kg ball accelerates at a rate of 3m/s/s. What force was required?
hoa [83]

Answer:

<h2>45 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 15 × 3

We have the final answer as

<h3>45 N</h3>

Hope this helps you

3 0
3 years ago
Gravity, momentum, and friction are examples of:
alex41 [277]

Answer:

Gravity,momentum & friction are examples of FORCE.

Explanation:

Hope this helps you

Do mark me as brainliest

4 0
3 years ago
Read 2 more answers
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