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Artyom0805 [142]
3 years ago
15

Atomic theory describes the motion of particles in solids, liquids, and gases. Which statement best describes the particles in a

given state of matter?
A. The particles in gases have a fixed position but can vibrate.
B. The particles in solids have a fixed position but can vibrate.
C. The particles in solids are very close to each other but they are able to move past each other. D. The particles in gases are very close to each other but they are able to move past each other.
Physics
2 answers:
blsea [12.9K]3 years ago
7 0

Answer:

B. The particles in solids have a fixed position but can vibrate

Explanation:

Answer choice "A" is incorrect because particles in gases are not held by bonds and move freely (not fixed).

Answer choice "C" is incorrect because while solids are close in proximity, their particles do not move past each other.

Answer choice "D" is incorrect because while the particles in gases are able to move past each other, they are not arranged in close proximity. In fact, them being spread out and free is why they are able to move past each other.

Alex787 [66]3 years ago
5 0
B is the answer because a solid would not be able to hold its shape if it was able to move around
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Design a circuit which takes two inputs and outputs a 1 if and only if the two inputs are the same signal. You may only use two
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Answer:

Q = A ⊕ B = (A AND B) + ( not(A) AND not(B) )

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AND gates : only output 1 when both inputs are 1

OR gate:  only output 1 when either or both of the inputs are 1

NOT gates: takes only one input ad output the opposite of the input

The required circuit should takes two inputs and outputs a 1 if and only if the two inputs are the same signal.

The two possible scenarios : both input are 1's or 0's

Q = A ⊕ B = (A AND B) + ( not(A) AND not(B) )

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0  0     1          1            0                      1                       1

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1    0     0        1             0                     0                       0

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A solid disc with a radius of 5.00 m and a mass of 20.0 kg is initially at rests and lies on the plane of the paper. A smaller s
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Answer:

Explanation:

This problem is based on conservation of angular momentum.

moment of inertia of larger  disc I₁ = 1/2 m r²  , m is mass and r is radius of disc . I

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moment of inertia of smaller  disc I₂ = 1/2 m r²  , m is mass and r is radius of disc . I

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