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alex41 [277]
3 years ago
9

The magnetic strips on credit cards can become demagnetized. What type of magnet are they?

Physics
2 answers:
erma4kov [3.2K]3 years ago
8 0

Answer the answer is a.temporary

Damm [24]3 years ago
4 0
I think you're fishing for "temporary magnet" or something like that,
but I don't agree with it. 

Credit card strips, refrigerator magnets, recording tape, bar magnets,
and big heavy horseshoe magnets are permanent magnets ... you don't
have to keep an electric current circulating around them to make them
magnetic. 

But that doesn't mean that they stay magnetic no matter WHAT you do
to them.  They can be DEmagnetized by being heated, dropped on the
floor, hit with a hammer, or in the presence of another, stronger magnet. 
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Answer:

No

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Not all metals stick to magnets. Like aluminum. if you were to stick a magnet on to an aluminum it would fall off.

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2 years ago
How much time does it take a rhino running at 40 m/s to run 250 m?​
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A typical jet airliner has a cruise airspeed of 900 km/h , which is its speed relative to the air through which it is flying. If
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Explanation:

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(A) Let v_{PG} is the speed of the airliner relative to the ground if the airplane is flying from west to east,

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(B) Let v'_{PG} is the speed of the airliner relative to the ground if the airplane is flying from east to west,

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Hence, this is the required solution.                                            

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