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Afina-wow [57]
3 years ago
11

What are the two parts of an atom?

Physics
2 answers:
xxTIMURxx [149]3 years ago
5 0
Actually its three way 
Neutrons
Electrons
protons 
just olya [345]3 years ago
3 0
There are three parts to an atom- protons neutrons and electrons. if you are talking about the core then those would be protons and neutrons
protons have mass and a positive charge 
neutrons have mass and dont have a charge
electrons have no mass and are negatively charged 
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An experiment is conducted on a long straight wire of diameter d. A constant current is sent through the wire and the magnetic f
soldi70 [24.7K]

Answer:

D.

Explanation:

To solve the exercise it is necessary to apply the concepts related to the Magnetic Field described by Faraday.

The magnetic field is given by the equation:

B = \frac{\mu_0 I}{2\pi d}

Where,

\mu = Permeability constant

d = diameter

I = Current

For the given problem we have a change in the diameter, twice that of the initial experiment, therefore we define that:

B_1 = \frac{\mu_0 I}{2\pi d}

B_2 = \frac{\mu_0 I}{2\pi 2d}

The ratio of change between the two is given by:

\frac{B_2}{B_1} = \frac{\frac{\mu_0 I}{2\pi d}}{\frac{\mu_0 I}{2\pi 2d}}

\frac{B_2}{B_1} = \frac{d}{2d}

\frac{B_2}{B_1} = \frac{1}{2}

B_2 = B_1 \frac{1}{2}

Therefore the correct answer is D.

4 0
2 years ago
Which of the following is not a form of an inclined plane?
disa [49]

Answer: piece of paper cut into a triangle  

Explanation:

A plane surface lifted at an angle to horizontal from one edge is said to be an inclined plane. A wedge, a ramp or a screw are examples of a forms of inclined plane. A screw is like a inclined plane wound on a cylinder. These are simple machines. On the other hand, a piece of paper cut into a triangle is not an inclined plane as it does rise at an angle from horizontal. It is not a machine.

8 0
3 years ago
Read 2 more answers
What causes differences in air pressure around the Earth?
Olegator [25]
Wind is primarily driven by differences in air pressure. These variations in air pressure are due to temperature differences caused by variations in solar energy received at the surface of the Earth.
7 0
3 years ago
What is a scalar?
Tcecarenko [31]

a quqntity that doea not indict a direction

3 0
3 years ago
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What is the only way to let your body recover from overtraining? A. Take vitamins B. Rest for several days C. Eat a lot of prote
Luba_88 [7]

Answer:

B) Rest for several days

Explanation:

Apex

7 0
3 years ago
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