Answer:
An object may become extinct due to the lack of quantity of the object and the object no longer exists so it is now extinct.
Answer:
Cable color codes are very important for example, If something is not wired properly, it can result in injuries, deaths, fires, and many other problems. This is why there are well-established wire color codes to ensure those working with an around this type of equipment can ensure everything is wired safely and effectively. If we used three phase cables without color code, this can lead too incorrect things that might be a hazard too get not fix and learning new color codes would be hard therefore we should stick too the same color codes for cables and it saves the hassle for needing too check every cable cord color then the original one signed too it.
Answer:
Part a)
Part b)
Part c)
Explanation:
Part a)
As we know that the friction force on two boxes is given as
Now we know by Newton's II law
so we have
Part b)
For block B we know that net force on it will push it forward with same acceleration so we have
Part c)
If Alex push from other side then also the acceleration will be same
So for box B we can say that Net force is given as
Answer:
Amount of necessary heat transfer, q = 
Given:
Volume of liquid Nitrogen, V = 0.200 
Density of liquid Nitrogen, 
Temperature, 
Temperature Rise, T' = 
Latent heat of Vaporization, 
Specific heat capacity of gas, 
Solution:
Now, calculation of heat transfer required to evaporate liquid nitrogen and raise its temperature is given by:
(1)
Now, mass, m can be given by:
Now, from eqn (1):
q =
An isotope is one of 2+ types of the same element, which will have the same number of protons but a different number of neutrons in its nucleus. This means that the relative atomic mass may be different among isotopes, but the chemical properties will remain the same. Isotopes are usually found in radioactive forms of an element.
