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mestny [16]
3 years ago
10

What are the symmetry operations of molecule AB4, where the molecule b lies at the center of the square and A lies at the center

of the square and is not coplaner with B atoms. How to find the multiplication table
Physics
1 answer:
arlik [135]3 years ago
4 0

The symmetry operations of molecule AB₄ is tetrahedral  and they are :

  • E : Identity
  • 4C₃ : axis of rotation
  • 3C₂ : axis of rotation
  • 3S₄ : Rotation-reflection axis
  • 6бd  

To find the multiplication table we have to apply the multiplication table for Td symmetry ( attached below )

Given that molecule B lies at the corners of the square and molecule A lie at the center and is not coplanar with molecule B the symmetry operations of the molecules AB₄ will belong to a tetrahedral symmetry group which contains :

  • E : Identity
  • 4C₃ : axis of rotation
  • 3C₂ : axis of rotation
  • 3S₄ : Rotation-reflection axis
  • 6бd

Learn more about tetrahedral symmetry group : brainly.com/question/1968705

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8. A crate of bananas weighing 3000 N is shipped from South America to New York, where it
LiRa [457]

Answer:

Mechanical advantage = 15

Explanation:

Given the following data;

Output force = 3000N

Input force = 200N

To find the mechanical advantage;

Mechanical advantage = output force/input force

Substituting into the equation, we have

Mechanical advantage = 3000/200

Mechanical advantage = 15

3 0
3 years ago
An object is placed perpendicular to the the principal axis of convex lens of focal length 8,the distance of the object from the
Digiron [165]

Answer:

v = 24 cm and inverted image

Explanation:

Given that,

The focal length of the object, f = +8 cm

Object distance, u = -12 cm

We need to find the position &nature of the image​. Let v be the image distance. Using lens formula to find it :

\dfrac{1}{v}-\dfrac{1}{u}=\dfrac{1}{f}

Put all the values,

\dfrac{1}{v}=\dfrac{1}{f}+\dfrac{1}{u}\\\\\dfrac{1}{v}=\dfrac{1}{8}+\dfrac{1}{(-12)}\\\\v=24\ cm

So, the image distance from the lens is 24 cm.

Magnification,

m=\dfrac{v}{u}\\\\m=\dfrac{24}{-12}\\\\m=-2

The negative sign of magnification shows that the formed image is inverted.

7 0
3 years ago
If the same quantity of heat is added to both a 2-liter and a 4-liter container of water, the temperature change for water in th
VikaD [51]

Answer:

brainly.com/question/10966794

Explanation:

3 0
3 years ago
The roof of a two-story house makes an angle of 29° with the horizontal. A ball rolling down the roof rolls off the edge at a sp
AlekseyPX

Answer:

t = 0.93 s

Part b)

d = 3.98 m

Part c)

v_x = 4.28 m/s

v_y = -11.49 m/s

Explanation:

The two components of the velocity of the ball is given as

v_x = 4.9 cos29

v_x = 4.28 m/s

v_y = 4.9 sin29

v_y = 2.37 m/s

Part a)

now we know that the displacement in y direction is given as

\Delta y = 6.4 m

so we have

\Delta y = v_y t + \frac{1}{2}gt^2

6.4 = 2.37 t + 4.9 t^2

t = 0.93 s

Part b)

Distance of the ball in x direction of the motion is given as

d = v_x t

d = 4.28 \times 0.93

d = 3.98 m

Part c)

In x direction the velocity will remain the same always

v_x = 4.28 m/s

while in Y direction we can use kinematics

v_y = v_{oy} + at

v_y = -2.37 - 9.81(0.93)

v_y = -11.49 m/s

6 0
3 years ago
A cart being pulled with 30N through a 2 m hallway over two seconds. How does it have the greatest power exerted on it
Lapatulllka [165]

Answer:

Power = 30 [watts]

Explanation:

Initia data:

F = force = 30[N]

d = displacement = 2 [m]

By definition we know that work is equal to the product of force by the distance displaced

Therefore:

W = F * d = 30 * 2

W = 60 [J]

And power is defined as the amount of work done in a given time interval

time = t = 2 [sec]

Power = W / t

Power = 60 / 2

Power = 30 [W]

7 0
3 years ago
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