Answer:
Visible Light Absorption
Atoms and molecules contain electrons. It is often useful to think of these electrons as being attached to the atoms by springs. The electrons and their attached springs have a tendency to vibrate at specific frequencies. Similar to a tuning fork or even a musical instrument, the electrons of atoms have a natural frequency at which they tend to vibrate. When a light wave with that same natural frequency impinges upon an atom, then the electrons of that atom will be set into vibrational motion. (This is merely another example of the resonance principle introduced in Unit 11 of The Physics Classroom Tutorial.) If a light wave of a given frequency strikes a material with electrons having the same vibrational frequencies, then those electrons will absorb the energy of the light wave and transform it into vibrational motion. During its vibration, the electrons interact with neighboring atoms in such a manner as to convert its vibrational energy into thermal energy. Subsequently, the light wave with that given frequency is absorbed by the object, never again to be released in the form of light. So the selective absorption of light by a particular material occurs because the selected frequency of the light wave matches the frequency at which electrons in the atoms of that material vibrate. Since different atoms and molecules have different natural frequencies of vibration, they will selectively absorb different frequencies of visible light.
Hi there
The formula is
A=p (1+rt)
We need to solve for t
T=[(A/p)-1]÷r
Where
A future value 2200
P present value 1000
R interest rate 0.08
T time?
So
T=((2,200÷1,000)−1)÷0.08
T=15 years
Another time like this question you should post in at mathematics subject
Hope it helps
Answer:
Real connection with college situations.
Find out the different careers you may study.
Explanation:
Real connection with college situations
You can the different activities that are carried out during the classes such as a lecture, an oral presentation, a debate, a sport activity and even attend a meal event in the cafeteria. It will help you get involved or at least have a notion of the campus life.
Find out the different careers you may study
Maybe, you still don´t know what to study. So, a group college visit may help you make up your mind on what career to chose. College students will take you on a tour and they´ll talk about the different careers that you can study.
Answer:
B. Yes, because the sentence provides commentary that helps develop the paragraph’s explanation on how the Brontosaurus came to be misclassified.
Explanation:
