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adelina 88 [10]
3 years ago
5

When conducting this experiment, some procedures call for heating the substance several

Physics
1 answer:
Natalija [7]3 years ago
8 0

Answer:

when completing a science experiment it is important to run multiple tests do as to reduce the risk of any outliers of false results

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There is a simple relationship between the energy for a photon of light Ephoton in units of eV (electron volts) and its waveleng
Eva8 [605]

Answer:

\lambda=620\ nm

E_p=1.9682\ eV

E_p=206.67\ eV is the photon energy of an x-ray

Explanation:

Given:

Energy of photon, E_p=2\ eV

Then according to given:

E_p=\frac{1240}{\lambda}

2=\frac{1240}{\lambda}

\lambda=620\ nm is the wavelength

Again,

Energy of photon, E_p=?

wavelength of the light, \lambda=630\ nm

E_p=\frac{1240}{630}

E_p=1.9682\ eV

<u>Now, photon energy for an x-ray:</u>

wavelength, \lambda=6\ nm

E_p=\frac{1240}{6}

E_p=206.67\ eV is the photon energy of an x-ray

3 0
3 years ago
What is a gravitational force...??
o-na [289]
The simplest answer is that gravity is the field created by a mass distribution in the spacetime around it; gravitational force is the force exterted by the field on a test mass in the field.
5 0
3 years ago
In all measurements and calculations, magnitude (number) and units are always included.
san4es73 [151]

the equation of the line allows us to find the answer is

            y = -27.8 t + 97.4

The equation of a line in a linear relationship between two variables, its general expression is

         y = A x + B

in this case the slope is the quantity that the independent variable in this case A = -27.8 m / s

The cut-off point that is the value of the dependent variable for x = is b = 97.4 m

In this case we see that the slope has a unit of [m / s] and the dependent variable is a unit of length, therefore the independent variable must have a unit of time [s] so that the entire equation is in units of length

          y = -27.8 t + 97.4

         [m] = [m / s] [s] + [m]

         [m] = [m]

The other two magnitudes with are necessary to write the equation r is the mean square root and gives an idea that the values ​​also fit the line, the best value is 1

In conclusion, the equation of the line allows us to find the answer is

            y = -27.8 t + 97.4

learn more about the equation inear here:

brainly.com/question/22851869

8 0
3 years ago
I need help with this. Lab: Conservation of Linear Momentum<br>Assignment: Lab Report Urgent!!
kifflom [539]
It won’t let me view it
8 0
3 years ago
Read 2 more answers
Which action can be explained by physics?
steposvetlana [31]

Answer:

Actions that underlie mathematical rules, patterns or probability distributions.

For example how fast something falls at any given point or time.

More complex actions, such as human decision making in single individuals would be way too complicated to describe in physical terms.

But note that there can be physical models of such things as traffic when we can assume statistical knowledge of behavior.

Also physical models are used to plan such things as emergency exits in big stadiums, because many thousands of people can be described as particles flowing under a given pressure.

Every time we can gain good statistical knowledge and can therefore see patterns and rules in action, we can build theoretical models to make predictions and simulations (and games btw)

Since it's fair to say that mathematics is the science of patterns, it is plausible that physical descriptions often come in mathematical formulations, so that it can be understand as an efficient language of physics.

Neighboring disciplines like chemistry relay on physical theories to build on them,and then add shortcuts to fit their needs and interests, generating an own language for their field of study. But physicists may refer to them as anadd-on to physics.

Physics can basically explain all actions wich you can express in numbers.

But note that on a fundamental level physics describes 'how' things work, not necessarily 'why' they do it this way. The source of the basic and most fundamental physical constants and rules remains a mystery till this day.But of course there are theories on that as well, wich mostly can neither be proved or falsified.

The text is my own work and based of my general knowledge and quintessence of lectures on physics and other fields I attended.

(I would really appreciate the brainliest)

3 0
3 years ago
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