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mariarad [96]
2 years ago
12

Which of these is NOT used to create a simple electromagnet?

Physics
2 answers:
Svetllana [295]2 years ago
4 0

Answer:

Light Bulb

Explanation:

I did the quiz and i got it right

timurjin [86]2 years ago
3 0

battery

Explanation:

Electromagnets can be created by wrapping a wire around an iron nail and running current through the wire. The electric field in the wire coil creates a magnetic field around the nail. In some cases, the nail will remain magnetised even when removed from within the wire coil

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Answer:

Q = 1057.5 [cal]

Explanation:

In order to solve this problem, we must use the following equation of thermal energy.

Q=m*C_{p}*(T_{final}-T_{initial})

where:

Q = heat energy [cal]

Cp = specific heat = 0.47 [cal/g*°C]

T_final = final temperature = 32 [°C]

T_initial = initial temperature = 27 [°C]

m = mass of the substance = 450 [g]

Now replacing:

Q=450*0.47*(32-27)\\Q=1057.5[cal]

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An astronaut 100m from the spaceship observes a 200kg meteoroid that drifts toward the shop at 10m/sec. If the astronaut can gai
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No

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8 0
3 years ago
What is the average (mean) of these numbers: 13,43, 12, 3,66​
algol13

Answer:

27.4

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(13+43+12+3+66)/5

137/5

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3 0
3 years ago
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True or false: Scientific models are always built to scale, and are fully functional representations of the product they are tes
vodka [1.7K]

Answer:

False

Explanation:

Scientific models are not always built to scale and may not be fully accurate

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Without:

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With safety:

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