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vekshin1
3 years ago
9

Opposite poles of different magnets will attract each other and like poles will repel each other. This is an example of which of

the following?lawhypothesistheory
Physics
2 answers:
sasho [114]3 years ago
6 0
The Law of Attraction or Theory of Magnetism
Stolb23 [73]3 years ago
4 0

Answer:

Explanation: Opposite poles of different magnets attract each other whereas same poles repel each each other this is an example of theory of magnetism and law of attraction that opposites attract. In case of magnets north- north and south- south poles repel each other while north-south and south - north attracts each other. Since earth is a big magnet and its magnetic north and south pole follows the same rule of attraction.

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The mass of a golf ball is 45.9
Tema [17]
The equation for the de Broglie wavelength is: 
<span>λ = (h/mv) √[1-(v²/c²)], </span>
<span>where h is Plank's Constant, m is the rest mass, v is velocity, and c is the velocity of light in vacuum. However, if c>>v (and it is, in this case) then the expression under the radical sign approaches 1, and the equation simplifies to: </span>
<span>λ = h/mv. </span>
<span>Substituting, (remember to convert the mass to kg, since 1 J = 1 kg·m²/s²): </span>
<span>λ = (6.63x10^-34 J·s) / (0.0459 kg) (72.0 m/s) = 2.00x10^-34 m.</span>
8 0
3 years ago
HELP!!! Why is plasma considered the most common state of matter in the universe?
olasank [31]

Clue : There is plasma in sun

4 0
3 years ago
Read 2 more answers
A ball is launched from the ground with a horizontal speed of 30 m/s and a vertical speed of 30 m/s. What will the horizontal sp
gulaghasi [49]

Answer:

C

Explanation:

horizintal speed stays same

only vertical speed changes

so H speed will stay 30 m/s

6 0
2 years ago
Part B
Licemer1 [7]

The number of kilowatts used by an individual to operate his appliances is determined as 12.1 kWh.

<h3>Average daily power consumption</h3>

The average daily power consumption is the amount of electric energy consumed by an individual on a daily rate.

The average daily power consumption of individuals in USA is 12,100 W-hr.

<h3>Converting watts to kilowatts</h3>

E = 12,100 Whr/1000

E = 12.1 kWh

Thus, the number of kilowatts used by an individual to operate his appliances is determined as 12.1 kWh.

Learn  more about power here: brainly.com/question/13881533

#SPJ1

5 0
2 years ago
An electron moves in the plane of this screen toward the top of the screen. A magnetic field is also in the plane of the screen
Ad libitum [116K]

Answer: the direction of the magnetic force on the electron will be moving out of the screen, perpendicular to the magnetic field.

Explanation:

The magnetic force F on a moving electron at right angle to a magnetic field is given by the formula:

F = BqVSinØ

If an electron moves in the plane of this screen toward the top of the screen. A magnetic field is also in the plane of the screen and directed toward the right. Then, the direction of the magnetic force on the electron will be perpendicular to the magnetic field

According to the Fleming's left - hand rule, the direction of the magnetic force on the electron will be moving out of the plane of the screen.

6 0
3 years ago
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