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1 year ago

According to the diagram of the electromagnetic spectrum shown, what would best represent the

Physics

1 answer:

iren2701 [21]1 year ago

6 0

The best represent the size of visible light will be C. Protozoa

The electromagnetic spectrum, gives the overall distribution of electromagnetic radiation by the frequency or wavelength. All EM waves travel at the speed of light in a vacuum, but over a wide range of frequencies, wavelengths, and photon energies.

Visible light wavelengths cover the range of approximately 0.4 to 0.7 μm. electromagnetic spectrum that the human eye can see is the Visible light. Visible light is a form of electromagnetic (EM) radiation, along with radio waves, infrared, ultraviolet, X-rays, and microwaves. the wavelengths that are visible to most human eyes is generally known as Visible light

the best represent the size of visible light is Protozoa, According to the diagram of the electromagnetic spectrum shown,

Learn more about electromagnetic spectrum here brainly.com/question/25847009

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Consider a system to be one train car moving toward another train car at rest. When the trains collide, the two cars stick toget

pickupchik [31]

As per the question, the system consists of two cars.

The the masses of two cars are denoted as- $m_{1} \ and\ m_{2} \ respectively$

The two cars undergoes collision with each other. Here collision must be inelastic in nature.

Let the velocities of each car is denoted as- $v_{1} \ and\ v_{2} \ respectively$

It is given that masses of two cars and initial velocities-

$m_{1} =600 kg$ $v_{1} =4m/s$

$m_{2} = 400kg$ $v_{2} =0 m/s$

First we have to calculate the total momentum of the system before collision.

The momentum of a body is the product of its mass with velocity.

Momentum of car 1:

$p_{1} =m_{1} v_{1}$

$=600kg*4m/s$

$=2400\ kg\ m\ s^-1$

The momentum of car 2:

$p_{2} =m_{2} v_{2}$

$=400\ kg*0\ m/s$

$=\ 0\ kg\ m\ s^-1$

Now the total momentum of the system is :

$p_{1} +p_{2}$

$=[2400+0]\ kg\ m\ s^-1$

$=2400\ kg\ m\ s^-1$

Now we are asked to calculate the total momentum of the system after collision.

The basic condition in case of any type of collision is that it is in accordance with law of conservation of linear momentum.

Hence, the momentum will be conserved here.

It means the total momentum before collision must be equal to the total momentum after collision.

Hence, the correct answer to the question will be 2400 kg m/s.

8 0

3 years ago

Read 2 more answers

Compare and contrast scientific theory and scientific law

grandymaker [24]

Answer:

Similarities:

Both are based on observation.
Both are supported by empirical data
Both are tested repeatedly
Both are accepted by science
Both are based on natural phenomena

Differences:

Scientific law just describes a phenomenon. It does not give an explanation as to why the phenomenon occurs. It predicts an outcome of an event based on its initial condition.
Scientific theory gives an explanation as to why an event had occurred.
Laws are more resistant to change.
Theories can be refuted and accepted, and develop other theories as well

Take note:

A scientific theory cannot be "upgraded" into a law, and a scientific law cannot be changed into a theory.

8 0

3 years ago

Which of the following describes the charge of an atom before any electrons are transferred?

gregori [183]

The answer is neutral charge. An atom element will always and has to be stable, in order for this state to happen. The charge of an electron has to be neutral. For atom with neutral charge, the proton will always equal the number of electron.

8 0

3 years ago

Please Awnser soon water's state of matters include stream, liquid water, and ice. what about water is the same in these states?

yulyashka [42]

Well the similarity is that even though they are in a different state of matter they still come from the same substance: h2o

7 0

4 years ago

A 65.0 kg diver is 4.90 m above the water, falling at speed of 6.40 m/s. Calculate her kinetic energy as she hits the water. (Ne

mojhsa [17]

Answer:

4452.5 J.

Explanation:

The diver have both kinetic and potential energy.

Ek = 1/2mv² ................. Equation 1

Where Ek = Kinetic Energy of the diver, m = mass of the diver, v = velocity of the diver.

Given: m = 65 kg, v = 6.4 m/s.

Substitute into equation 1

Ek = 1/2(65)(6.4²)

Ek = 1331.2 J.

Also,

Ep = mgh ............................ Equation 2

Where Ep = Potential energy of the diver when its above the water, h = height of the diver above the water, g = acceleration due to gravity.

Given: m = 65 kg, h = 4.9 m, g = 9.8 m/s²

Substitute into equation 2.

Ep = 65(4.9)(9.8)

Ep = 3121.3 J.

Note: When she hits the water, the potential energy is converted to kinetic energy.

E = Ek+Ep

Where E = Kinetic energy of the diver when she hits the water.

E = 1331.2+3121.3

E = 4452.5 J.

3 0

3 years ago