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NikAS [45]
3 years ago
6

In which application is a magnet used to store information?

Physics
2 answers:
galina1969 [7]3 years ago
6 0

Answer:

d the disk in a computer hard drive

Explanation:

because hard drive use magnetic memory tostore giga- and terabytes of data in computer.

tatiyna3 years ago
3 0

Answer:

D. The disk in a computer hard drive

<em>The</em><em> </em><em>disk</em><em> </em><em>has</em><em> </em><em>a</em><em> </em><em>magnetic</em><em> </em><em>coating</em><em> </em><em>in</em><em> </em><em>which</em><em> </em><em>the</em><em> </em><em>infor</em><em>mation</em><em> </em><em>is</em><em> </em><em>stored </em><em>on</em><em> </em><em>the</em><em> </em><em>magnetic</em><em> </em><em>strips</em><em>.</em>

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A bullet is shot vertically upward with an initial velocity of 128 ft/s. The bullet's height after t seconds is y(t) = 128t - 16
saul85 [17]

The height of the bullet when the velocity is zero is 256 ft.

<h3>Height of the bullet when the velocity is zero </h3>

The height of the bullet when the velocity is zero is determined by taking derivative of the function as shown below;

v = \frac{dy}{dt} = 128 -32t \\\\when \ v \ is \ zero\\\\v = 0\\\\128 - 32t = 0\\\\32t = 128\\\\t = \frac{128}{32} \\\\t = 4 \  s

The height of the bullet at this time is calculated as follows;

y(4) = 128(4) - 16(4)^2\\\\y(4) = 256 \ ft

Learn more about height of projectiles here: brainly.com/question/10008919

6 0
3 years ago
A car of mass 1800 kg can be just be lifted. What is the least force that the electromagnet must use to lift the car? (1 g = 10
Doss [256]

Answer:

<h2>f=a×m</h2>

m=1800kg

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18000000N force is required to life the car

8 0
3 years ago
What evidence can you cite to support the claim that the frequency of light does not change upon reflection?
sergiy2304 [10]

Answer: The color of an image is identical to the color of the object forming the image. When you look at yourself in a mirror, the color of your eyes doesn’t change. The fact that the color is the same is evidence that the frequency of light doesn’t change upon reflection. 2.

Hope this helps!!

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3 years ago
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Vsevolod [243]

Answer: 2.0

Explanation: I KNOW !

5 0
3 years ago
Which group of animals would be served best by the following adaptations?
aev [14]
The answer to this question would be: <span>A) animals that live in deserts 

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5 0
3 years ago
Read 2 more answers
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