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Serggg [28]
3 years ago
11

Which of the following is always true about the particles that make up matter? A. They can only be found in solid substances. B.

They are too small to be seen with only our eyes. C. They are the same size in all substances, D. They are locked into regular arrangements.​
Physics
2 answers:
Murljashka [212]3 years ago
6 0

Answer:

I am thinking D. correct me if I am wrong

Neko [114]3 years ago
4 0
B.They are too small to be seen with only our eyes
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A 10-turn conducting loop with a radius of 3.0 cm spins at 60 revolutions per second in a magnetic field of 0.50T. The maximum e
bogdanovich [222]

Answer:

Maximum emf = 5.32 V

Explanation:

Given that,

Number of turns, N = 10

Radius of loop, r = 3 cm = 0.03 m

It made 60 revolutions per second

Magnetic field, B = 0.5 T

We need to find maximum emf generated in the loop. It is based on the concept of Faraday's law. The induced emf is given by :

\epsilon=\dfrac{d(NBA\cos\theta)}{dt}\\\\\epsilon=NBA\dfrac{d(\cos\theta)}{dt}\\\\\epsilon=NBA\omega \sin\omega t\\\\\epsilon=NB\pi r^2\omega \sin\omega t

For maximum emf, \sin\omega t=1

So,

\epsilon=NB\pi r^2\omega \\\\\epsilon=NB\pi r^2\times 2\pi f\\\\\epsilon=10\times 0.5\times \pi (0.03)^2\times 2\pi \times 60\\\\\epsilon=5.32\ V

So, the maximum emf generated in the loop is 5.32 V.

3 0
3 years ago
How many bonds can antimony form?
bija089 [108]

Answer:

An antimony can form 3 bonds

Let me know if this helps

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Explanation:

4 0
2 years ago
I don’t understand this question
hichkok12 [17]

It's Z.

Without any force acting on it an object travels in a straight line.

In order to bend away from a straight line the object needs a force acting on it.

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Since the object's direction is changing it has acceleration.

The acceleration points toward the center of the circle.

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3 years ago
How are the angle of reflection and angle of incidence related?
timama [110]
Snells law. The ratio of the sine of the angle of refraction and the sine of the angle of incidence are always constant.n1sine0 = n2sine0
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3 years ago
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