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IRINA_888 [86]
3 years ago
14

The wave functions for states of the hydrogen atom with orbital quantum number l=0 are much simpler than for most other states,

because the angular part of the wave.
a. True
b. False
Physics
1 answer:
Thepotemich [5.8K]3 years ago
4 0
True. Fun fact. Hope this helps
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The top of a swimming pool is at ground level. If the pool is 3.00 m deep, how far below ground level does the bottom of the poo
Yuri [45]

Answer:

a) 2.25 m

b) 2.625 m

Explanation:

Refraction is the name given to the phenomenon of the speed of light changing the the boundary when it moves from one physical medium to the other.

Refractive index is the ratio of the speed of light in empty vacuum (air is an appropriate substitution) to the speed of light in the medium under consideration.

In terms of real and apparent depth, the refractive index is given by

η = (real depth)/(apparent depth)

a) Real depth = 3.00 m

Apparent depth = ?

Refractive index, η = 1.333

1.333 = 3/(apparent depth)

Apparent depth = 3/1.3333 = 2.25 m.

Hence the bottom of the pool appears to be 2.25 m below the ground level.

b) Real depth = 1.5 m

Apparent depth = ?

Refractive index, η = 1.333

1.3333 = 1.5/(apparent depth)

Apparent depth = 1.5/1.3333 = 1.125 m

But the pool is half filled with water, there is a 1.5 m depth on top of the pool before refraction starts.

So, apparent depth of the pool = 1.5 + 1.125 = 2.625 m below the ground level

4 0
2 years ago
A ball is thrown straight up into the air with a velocity of 12 m/s. Draw a motion diagram for the ball and then give as much qu
viktelen [127]

Answer:

find the diagram in the attachment.

Explanation:

Let vi = 12 m/s be the intial velocy when the ball is thrown, Δy be the displacement of the ball to a point where it starts returning down, g = 9.8 m/s^2 be the balls acceleration due to gravity.

considering the motion when the ball thrown straight up, we know that the ball will come to a stop and return downwards, so:

(vf)^2 = (vi)^2 + 2×g×Δy

vf = 0 m/s, at the highest point in the upward motion, then:

0 = (vi)^2 + 2×g×Δy

-(vi)^2  = 2×g×Δy

Δy = [-(vi)^2]/2×g

Δy = [-(-12)^2]/(2×9.8)

Δy = - 7.35 m

then from the highest point in the straight up motion, the ball will go back down and attain the speed of 12 m/s at the same level as it was first thrown

8 0
3 years ago
4)
alisha [4.7K]

Answer: The correct answer is-

C) The cost to develop the technology would be greater than what could be made in profits.  

As per the information in the question, company believes that electric cars are the future of the automotive industry.

It indicates that in future, automobile industries will flourish and get maximum profit through selling of electric cars. This idea will only be fulfilled if the cost to develop the technology would be less and the profit made out of it is significantly larger.

Thus, out of the given factors, only option C) The cost to develop the technology would be greater than what could be made in profits will prohibit the company from developing the idea.  

8 0
3 years ago
Read 2 more answers
A car in motion has kinetic energy. What happens to the kinetic energy when the car brakes to a stop? The kinetic energy is tran
Pie

Answer:

<em>When a moving car brakes to a stop the </em><em>kinetic energy of the car is converted to heat energy. </em>

Explanation:

A moving car has kinetic energy.

It is given by the equation k=\frac{1}{2} mv^2

Where m denotes mass of the car and v denote sits velocity. When the brakes are applied the velocity becomes zero and the car doesn’t possess kinetic energy anymore.

According to law of conservation of energy can neither be created nor be destroyed but can only be transformed from one form to another. On coming to a stop,  the kinetic energy of the car  gets converted to heat. The friction between the tyre and the road heats up the tyre.

7 0
3 years ago
In a cell, the amount nutrition coming in equals the amount of waste going out. This is an example of _____.
babymother [125]
The answer is B) <span>equilibrium
hope this helps!=-)</span>
5 0
3 years ago
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