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Mashutka [201]
3 years ago
7

Fill in the term that completes the statement. The north and south poles of a magnetic field produced by an electromagnet will s

witch when the direction of the changes.
Physics
2 answers:
Minchanka [31]3 years ago
6 0

Answer:

when the direction of the Current changes.

Explanation:

Electromagnet refers to an iron ore wrapped around with a coil of wire, in presence of electric current. As it acts like a magnet, when current is passed through it.

The north & south poles of magnetic fields produced by such magnet, change with direction of current passed through it.

REY [17]3 years ago
3 0

Answer:

current

Explanation:

edge2021

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Two point charges are brought closer together, increasing the force between them by a factor of 17. By what factor was their sep
nignag [31]

Answer:

\dfrac{r_1}{r_2}=4.123

Explanation:

Given:

Final force between them=17(initial force between them)

initial separation between them r_1

Final separation between them r_2

Let Q and q be the charges on them then

F_2=17F_1\\\dfrac{kQq}{r_2^2}=17\dfrac{kQq}{r_1^2}\\\dfrac{r_1^2}{r_2^2}=17\\\dfrac{r_1}{r_2}=4.123

6 0
3 years ago
A sample has a mass of 15 g and a volume of 3mL
bezimeni [28]

Thanks for sharing.   The density of the sample
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7 0
4 years ago
A baseball is hit into the air with a velocity of 27 m/s. How high does it go?
Marizza181 [45]

Answer:

Explanation:

If a baseball is hit into the air with a velocity of 27 m/s, we want to determine the maximum height of the ball. Using the projecile formula;

Max height H = u²/2g

u is the initial velocity of the body = 27m/s

g is the acceleration due to gravity = 9.81m/s²

H = 27²/2(9.81)

H = 729/19.62

H = 37.16m

Hence the ball went 37.16m high

8 0
3 years ago
Vascular plants can be divided into three categories. These categories are
Evgesh-ka [11]
I believe the answer here is <span>C).seedless, seed (nonflowering), and seed (flowering).</span><span>
</span>
6 0
4 years ago
How long will a radioactive isotope decay?
fiasKO [112]

Answer:

c - until it becomes a different, stable element

Explanation:

found it somewhere else than brainly you're welcome :)

8 0
4 years ago
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