Answer:
Vol = 64π
Explanation:
will make it simple and short.
given
circumference of a circle = 2πr = 8π
2πr = 8π
r = 4
h = r = 4
<u>required : Vol</u>
Vol = πr²h
Vol = π 4² * 4
Vol = 64π
Answer:
168.75
Explanation:
168.75 tall is the tree.
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Answer:
B is the answer
X < = 0 or x > =2
Explanation:
2x -2 >= 2 or 2x-2 < = - 2
2x > =4 Or 2x < = 0
X > =2. Or x < = 0
The best way is: B. flat, so that the north pole of the magnets on the train point up and the north poles of the magnets on the track point down.
<h3>What is the law of magnetism?</h3>
The law of magnetism states that the like poles of a magnet repel one another while unlike (different) poles attract each other. Thus, two north (N) poles of a magnet would repel one another while a north (N) and south (S) would attract each other.
Based on the law of magnetism, the best way to arrange the magnets on the train and on the track, so as to allow the model train levitate is flat, as this would make the north (N) pole of the magnets on the train point up and the north (N) poles of the magnets on the track point down.
Read more on law of magnetism here: brainly.com/question/14945557
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<u>Complete Question:</u>
Jolie builds a model of a maglev train. She uses disc magnets to levitate the train. A disc magnet has its north and south poles on its faces, as shown.
What is the best way to arrange the magnets on the train and on the track so that the model train levitates?
