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4 years ago

The atom in the diagram has a neutral charge how many protons does it have

Physics

1 answer:

Olegator [25]4 years ago

8 0

Explanation:

This should be of help:

An atom is made up of three subatomic particles:

Protons are the positively charged particles.
Electrons are the negatively charged particles.
Neutrons do not carry any charges.

A neutral atom is an atom that has not lost or gained any amount of electrons.

In a neutral atom;

the number of protons and electrons are the same

Usually atoms are designated this way:

ᵃₙX

where X is the symbol of the atom

a is the mass number of the atom

n is the atomic number of the atom

The mass number = number of protons + number of neutrons

Atomic number = number of protons

Note; atomic number is the same as the number protons and the number of electrons in a neutral atom.

Use this guide to solve the problem

Learn more:

Atomic number brainly.com/question/5425825

#learnwithBrainly

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Explanation:

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3 years ago

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Two capacitors of 36 µF and 3.8 µF are connected parallel and charged with a 51 V power supply. Calculate the total energy store

olga nikolaevna [1]

Answer:

U=0.0517 J

Explanation:

Given that

The values of capacitance

C₁ = 36 µF

C₂ = 3.8 µF

We know that when capacitor are connected in the parallel then the equivalent value of the capacitance is given as

C=C₁ +C₂

Now by putting the values

C= 36 + 3.8 µF

C = 39.8 µF

The voltage difference

ΔV= 51 V

The total stored energy in capacitor is given as

$U=\dfrac{1}{2}C\Delta V^2$

Now by putting the values in the above equation we get

$U=\dfrac{1}{2}\times 39.8\times 10^{-6}\times 51^2\ J$

U=0.0517 J

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3 years ago

An airline pilot begins a trip to Duluth from an airport located 1500 km south of Duluth. Her air speed is 260 m/s, but a wind b

hammer [34]

Answer:

Option A

The first route will be shorter

Explanation:

Considering the motion when the airline heads westward, the north direction speed is given by

$N=\sqrt 260^{2}-40^{2}=257 m/s$

Distance to destination is 1500 Km= 1500000 m

Time for travelling=1500000/257=5836.58 seconds

Time in minutes=5836.58/60=97.3 minutes

In case the wind sends pilot off the course

Time to travel from A to point E before heading to Duluth=1500000/260=5769.23 seconds

Time in minutes=5769.23/60=96.2 minutes

Time to travel from Westward to Duluth=Distance/speed

Distance between Westward and Duluth=40*5769.23=230769.23 m

Time to travel from Westward point to Duluth=23769.23/(260-40)=1048.95 seconds

Time in minutes=1048.95/60=17.5 minutes

Total time taken when pilot changes course=96.2+17.5=113.7 minutes

Time difference=113.7-97.3=16.4 minutes

Therefore, the first route will be shorter .

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4 years ago

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a very small magnet is wound with 97 layers with 215 turns per layer. how many turns of wire are on the coil?

Kazeer [188]

20855 turns of wire are on the coil.

<h3>What do you mean by a magnet?</h3>

A substance or thing that creates a magnetic field is called a magnet. The most noteworthy characteristic of a magnet—a force that pulls on other ferromagnetic elements, such as iron, steel, nickel, cobalt, etc.—as well as the ability to attract or repel other magnets—is caused by this invisible magnetic field. An object made of a substance that has been magnetized and produces its own persistent magnetic field is referred to as a permanent magnet. A common example is a refrigerator magnet used to keep notes on the door of the refrigerator. Ferromagnetic materials are those that can be magnetized and are also those that are powerfully drawn to a magnet (or ferrimagnetic).

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