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Alla [95]
2 years ago
14

What is the name of this atom? I

Physics
2 answers:
Vilka [71]2 years ago
5 0

Answer:

cerro azul

Explanation:

I reverse image searched and it popped up with a name.

frutty [35]2 years ago
4 0

Answer:

Helium is the name of the atom

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A metal ring 4.20 cm in diameter is placed between the north and south poles of large magnets with the plane of its area perpend
andrezito [222]

Answer:

Explanation:

We have a metal ring of diameter

d = 4.2cm = 0.042m

r = d/2 = 0.021m

And it is place between the north pole and south pole of a large magnet with the plane of it's area perpendicular to the magnetic field.

Given that the magnetic field is

B = 1.12 T

The rate of decrease of magnetic field is 0.2T/s, since it is decrease then,

dB/dt = -0.2 T/s

The induce electric field is given as,

From faradays law

ε = ∫E•dl = -dΦ/dt

Magnetic flux is given as

Φ = BA

Φ = πr²×B = πr²B

Also, ∫E•dl = E×2πr = 2πrE

So,

∫E•dl = -dΦ/dt

2πrE = -d(πr²B) / dt

r is a constant, then

2πrE = -πr² dB/dt

Divide both side by πr

2E = -r dB/dt

E = -r dB/dt / 2

E = -0.021 × -0.2 / 2

E = 0.0021 V/m

The magnetic field point from north to south pole and it is decreasing and this means that the magnetic flux is also decreasing, so the induce magnetic field must point in the same direction of the original magnetic field, so the induce current circulate counter-clockwise as viewed from the south pole

5 0
3 years ago
What is the mechanical advantage of this system?<br> А<br> 2<br> B<br> 3<br> C<br> 4
faltersainse [42]
I think the answer will be B tell me if it’s right after
4 0
2 years ago
An object with a mass of 7.60 kg is moving to the right and experiences an applied force of 50 N to the right. The friction forc
horrorfan [7]

Answer:

Explanation:

We will use the equation F - f = ma, which is a fancy way of stating Newton's 2nd Law.

F = +50.0,

f = -30.0,

m = 7.60 kg. Therefore:

50.0 - 30.0 = 7.60a and

20.0 = 7.60a and

a = 20.0/7.60 so

a = 2.63 m/s/s to the right

4 0
3 years ago
Compare and contrast scientific theory and scientific law
grandymaker [24]

Answer:

Similarities:

  • Both are based on observation.
  • Both are supported by empirical data
  • Both are tested repeatedly
  • Both are accepted by science
  • Both are based on natural phenomena

Differences:

  • Scientific law just describes a phenomenon. It does not give an explanation as to why the phenomenon occurs. It predicts an outcome of an event based on its initial condition.
  • Scientific theory gives an explanation as to why an event had occurred.
  • Laws are more resistant to change.
  • Theories can be refuted and accepted, and develop other theories as well

Take note:

A scientific theory cannot be "upgraded" into a law, and a scientific law cannot be changed into a theory.

8 0
3 years ago
When water vapor is cooled it three forms into water droplets why does this represent a conservation in mass
AVprozaik [17]
In the conservation of mass, mass is never created or destroyed in chemical reactions in the same way water is not created or destroyed it is only transferred from one form to another and its mass is always conserved.
8 0
3 years ago
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