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ankoles [38]
3 years ago
15

How man significant figures does the following value gave 43.023

Physics
1 answer:
Varvara68 [4.7K]3 years ago
7 0

Answer:

It has 5 I hope this helps you

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When a wire is made thicker its resistance what?
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Making a wire thicker has the same effect as making a road wider. It makes it easier for the electron traffic to flow. The resistance decreases, and the current (traffic) increases.
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Driving Zone 7 corresponds with
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Your driving zone refers to the areas of space around your car, it refers to all the area around your car as far as your eyes can see. 
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zone 3 = your right lane
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3 0
3 years ago
Which of the following modifications to a solenoid would be most likely to decrease the strength of its magnetic field?
Goryan [66]

By reading the fine details of the question, carefully and analytically, I have determined that there's no list of modifications to choose from.

The strength of the magnetic field of a solenoid depends on the electric current in its coil windings, the number of wire turns in its coil windings, and the material in its core.

In order to <em>DE</em>crease the strength of its magnetic field, any one or more of these steps could do the job:

-- DEcrease the electric current in its coil windings.  This can be accomplished by decreasing the voltage of the power source that energizes the coil, and/or increasing the resistance of the wire in the coil.

-- DEcrease the number of wire turns in the coil.

-- If the solenoid has anything in its core, change the core to something with a lower magnetic 'permeability'.  An Iron core will produce the greatest magnetic field strength.  Air, vacuum, or NO core will produce the lowest magnetic field strength.

8 0
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A woman falls to the ground while wearing a parachute. The air resistance of the parachute is 500N. If the woman falls at a cons
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the answer is less than 500 n

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An atom emits a photon when one of its electrons:
disa [49]

Answer:

undergoes a transition to a quantum state of lower energy

Explanation:

When electrons in an atom move to another quantum state, they emit/absorb a photon according to the following:

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- if the electron is moving to a lower energy state, it emits a photon (because it releases the excess energy)

In particular, the energy of the absorbed/emitted photon is exactly equal to the difference in energy between the two levels of the electron transition:

E=|E_1 - E_2|

4 0
3 years ago
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