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kakasveta [241]
3 years ago
15

What properties are different between blue light and red light?

Physics
1 answer:
Oksi-84 [34.3K]3 years ago
3 0
Blue light has a shorter wavelength than does red light, and since it travels at the same speed (in vacuum) as red light, has a higher frequency. This gives it a higher energy per photon.
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An Indy 500 race car's velocity increases from 4.0 m/s to +36
Soloha48 [4]

Answer:

The average acceleration is 8\ m/s^2

Explanation:

<u>Uniform Acceleration </u>

When an object varies its velocity at the same rate, the acceleration is constant.

The relation between the initial and final speeds is:

v_f=v_o+a.t

Where:

vf  = Final speed

vo = Initial speed

a   = Constant acceleration

t   = Elapsed time

The acceleration can be calculated by solving for a:

\displaystyle a=\frac{v_f-v_o}{t}

The Indy 500 race car increases its speed from vo=4 m/s to vf=36 m/s in t=4 s. Thus, the average acceleration is:

\displaystyle a=\frac{36-4}{4}=8\ m/s^2

The average acceleration is 8\ m/s^2

3 0
3 years ago
How can we measure magnitude of displacement from a v-t curve?​
Ratling [72]

Answer:

The displacement can be calculated by measuring the area of the curve when we move along the t curve. So, that would give the displacement.

Explanation:

4 0
3 years ago
A 17-cm-long microscope has an eyepiece with a focal length of 2.7 cm and an objective with a focal length of 0.35 cm . What is
Marta_Voda [28]

Answer:

Magnification is approximately 7.71

Explanation:

Magnification is the process of enlarging the apparent size of an object. For two lenses in sequence such as in a microscope, the magnification is determined by the ratio of the focal length of the eyepiece lens to the focal length of the objective lens.

The focal length of a lens is the distance between the center of a lens and the point (focal point) where parallel rays converge after passing through the lens.

M = magnification

f_{e} = focal length of eyepiece lens

f_{o} = focal length of objective lens

M = \frac{f_{e}}{f_{o}}

M = \frac{2.7}{0.35}

M = 7.71

8 0
3 years ago
Which type of electronic community allows real-time discussion among members?
Brilliant_brown [7]

Instant messaging is the type of electronic community that allows real-time discussion among members.

 

Instant messaging<span> <span>(IM) is a type of online chat which offers real-time text transmission over the Internet. A LAN </span></span>messenger<span> <span>operates in a similar way over a local area network. </span></span>

 

I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

4 0
4 years ago
How is newtons third law of motion demonstrated on a roller coaster?
butalik [34]
<span>Newton's Third Law of Action-Reaction is that for each and every action that happens, there is an equal and opposite reaction to it. In the scenario of a roller coaster, this is when you push down on the seat of the roller coaster as it flies along and the seat pushes back against you.</span>
8 0
3 years ago
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