What three ways are electromagnets different than magnets?

1 answer:

6 0

1.The strength of an electromagnet<span> can be adjusted by the amount of electric current allowed to flow into it.
2. Electromagnets are much stronger than regular magnets
3. Electromagnets use coils while regular magnets use magnetic materials like Iron.

Brainliest?</span>

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A puppy and a kitten are 180 meters apart when they see each other. The puppy can run at a speed of 25 m/sec, while the kitten c

Lelechka [254]

Make two equations representing the position of each animal, p and k, for the puppy and kitten respectively.

p=25t and k=180+20t

The puppy will catch the kitten when p=k so we can say:

25t=180+20t subtract 20t from both sides

5t=180 divide both sides by 5

t=36

So the puppy will catch the kitten after 36 seconds.

7 0

3 years ago

Read 2 more answers

David’s bowling score is 5 less than 3 times Aaron’s score. The sum of their score is 215. Find the score of each student. Write

xenn [34]

Answer:

David's score= 160 ; Aaron's score = 55

Step-by-step explanation:

let Aaron's score be 'x'.

so, David's score will be 3x - 5

(3x - 5) + x = 215

3x + x - 5 = 215