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Gre4nikov [31]
3 years ago
5

Consider N non-interacting diatomic molecules stuck on a metal surface. Each molecule can either lie flat on the surface, in whi

ch case it must be aligned to one of two directions, x and y, or it can stand up along the z direction. There is an energy cost e > 0 associated with a molecule standing up, and zero energy for molecules lying flat along x or y directions.
What are the possible energy levels for this system of N particles, and what is the number of microstates associated to each energy level?
Find the entropy and energy of the system as a function of the temperature, T.
What is the probability of a specific molecule standing up?
What is the largest possible value of the energy of the system at any temperature?

Physics
1 answer:
Art [367]3 years ago
7 0

Answer:

Detailed solution given in diagram

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Which phase comes after waxing crescent moon
12345 [234]

Answer:

new moon

Explanation:

6 0
3 years ago
Liquid nitrogen boils at 77.2 k. what is this temperature in degrees celsius
Ratling [72]
<span>77.2 k is -195.95 C
       
To convert from Kelvin to Celsius, you simply subtract 273.15 from the temperature. So the expression becomes c = 77.2 - 273.15 = -195.95</span>
6 0
3 years ago
On a distant planet, golf is just as popular as it is on earth. A golfer tees off and drives the ball 3.70 times as far as he wo
Margarita [4]

Answer:

a)H=84.87 m

b)R=565.27 m

Explanation:

Given that

Speed of ball on earth

U=41.2 m/s

θ=31°

We know that

Maximum height in projectile motion given as

h=\dfrac{U^2sin^2\theta }{2g}

h=\dfrac{41.2^2sin^231}{2\times 9.81}

h=22.94 m

Range in projectile motion given as

r=\dfrac{U^2sin2\theta }{g}

r=\dfrac{41.2^2sin62 }{g}

r=152.77 m

Given that on distance planet ball moves 3.7 times far more as on earth.

So on the distance planet

The maximum height ,H=3.7 h

H= 3.7 x 22.94

H=84.87 m

The range on distance planet

R=3.7 r

R=3.7 x 152.77 m

R=565.27 m

7 0
3 years ago
The eyepiece of a light microscope has a magnification level of 10x. If you were looking at a paramecium under the lowest-power
tester [92]

Answer:

The total magnification will be 40x.

Explanation:

As we know if the magnification of the eyepiece of a microscope be m_{e} and that of the objective be m_{o}, then the total magnification is given by

m = m_{e} \times m_{o}

Given, m_{e} = 10x and m_{o}  = 4x

Therefore total magnification is m = 10 \times 4 = 40x

4 0
3 years ago
The force of a moving object is called momentum. The momentum of an object is proportional to its weight and speed. The more mom
dexar [7]

The force that a moving object exerts on another object upon colliding with it is rather the change in momentum divided by the amount of time elapsed during the collision.

F = Δp/Δt

F = force, Δp = change in momentum, Δt = elapsed time

Usually we say momentum is proportional to mass instead of saying momentum is proportional to weight. But sure, for two objects on the same planet, greater weight implies greater mass. Momentum is the product of mass and velocity:

p = mv

p = momentum, m = mass, v = velocity

So we have two identical cars on the same planet with one car traveling 30mph faster than the other. Let's say they both collide with a tree, both coming to a rest, and the collisions take the same amount of time to happen. The faster car loses a greater amount of momentum over the same amount of time, therefore delivering a greater force.

Choice B

4 0
3 years ago
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