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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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Temperature flows from __ to __ temperatures
timama [110]

Answer:hot to cold

Explanation:

Temperature flow from hot to cold temperatures

8 0
3 years ago
A 2.5 g bullet traveling at 350 m/s hits a tree and slows uniformly to a stop while penetrating a distance of 12 cm into the tre
Cloud [144]

Answer: Work done = 153.125Joules, Work done = 0.003Nm

Explanation:

Kinetic energy of a body is the energy possessed by a body by virtue of its motion.

Mathematically,

K.E = 1/2MV²

Where;

M = mass of the body = 2.5g = 0.0025kg

V = velocity of the body = 350m/s

Substituting this values in the formula, we have;

K.E = 1/2× 0.0025×350²

K.E = 153.125Joules

Work done is the force applied to body to cause it to move through a distance.

Work = Force × distance

Force = ma = 0.0025 × 10

Force = 0.025N

Distance = 12cm = 0.12m

Work = 0.025×0.12

Work = 0.003Nm

work done by the tree in stopping the bullet is 0.003N

4 0
3 years ago
Read 2 more answers
Element A and element B have bonded and formed compound AB. Which of the following statements is true? Compound AB has chemical
creativ13 [48]
The correct answer from the choices listed above is the first option. The statement that is true would be that c<span>ompound AB has chemical and physical properties that are completely different from those of A and B. They completely different substances with different properties.</span>
6 0
3 years ago
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How long would it take a person to come to a stop if they were going
hammer [34]
33 mins hope it’s right
8 0
3 years ago
B. If we drop a ball from the roof, its falls<br>downward​
frosja888 [35]

Answer:

yes ,what's the question

and if the question is why

then it's for gravity

4 0
3 years ago
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