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Y_Kistochka [10]
3 years ago
11

Which three elements have strong magnetic properties?

Physics
2 answers:
kotykmax [81]3 years ago
5 0
The answer is A. This your answer
lara [203]3 years ago
3 0

Answer is A. Iron cobalt nickel

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Bx = -1.33 m and By = 2.81 m<br> Find the magnitude of the<br> vector.
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Answer:

Explanation:

The formula for the magnitude of a vector is

B_{mag}=\sqrt{(-1.33)^2+(2.81)^2} and then round to the hundredths place:

3.11 m. Since we are in Q2, we can also find the direction of this vector:

tan^{-1}(\frac{2.81}{-1.33})=-64.7 but since we are in Q2, we add 180 degrees to the result, getting the angle to be 115.3

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A group of a few thousand stars that are loosely held together by gravity is called a
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Would it be an open cluster 

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nsider a common mirage formed by superheated air immediately above a roadway. A truck driver whose eyes are 2.00 m above the roa
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n_{air}  =1.0000355

Explanation:

from snells law we have following relation

n' Sin i = n_{air} Sin r

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i is angle of incidence = 90 - 1.30 = 88.70^o

r is refraction angle

plugging all value in above formula

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3 years ago
Define in importance of building stores​
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4 0
2 years ago
Help me with the following problem
Effectus [21]

The mass of the ball is 1.55 kg and its change in momentum is  10 kgm/s.

<h3>What is momentum of a body?</h3>

The momentum of a body is the product of the mass and velocity of the body.

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Mass of the ball = momentum/velocity

Mass of the ball = 3.29 / 2.11 = 1.55 kg

The change in momentum of the body or Impulse = force * time

Change in momentum of the body = 5.00 * 2.00 = 10 kgm/s

Therefore, the momentum of a body depends on its mass and velocity.

Learn more about momentum at: brainly.com/question/1042017

#SPJ1

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