A map is almost always smaller than the place it describes. If a map of the US were drawn in its actual size, it would be 3,000 miles wide, and very difficult to fold. ... The scale of the map is the ratio of a distance on the map to the same distance on the real thing. ... If the map scale is 1 : 50000, then 1 foot on the map shows things that are actually spread over 50000 feet in the real city or field.
Each electron has a charge of
![q=-1.6 \cdot 10^{-19}C](https://tex.z-dn.net/?f=q%3D-1.6%20%5Ccdot%2010%5E%7B-19%7DC)
In this problem, the total charge is
![Q=-30.0 \mu C=-30.0 \cdot 10^{-6} C](https://tex.z-dn.net/?f=Q%3D-30.0%20%5Cmu%20C%3D-30.0%20%5Ccdot%2010%5E%7B-6%7D%20C)
Therefore, the number of electrons contained in this total charge will be given by the total charge divided by the charge of a single electron:
![N=\frac{Q}{q}=\frac{-30.0 \cdot 10^{-6} C}{-1.6 \cdot 10^{-19} C}=1.88 \cdot 10^{14}](https://tex.z-dn.net/?f=N%3D%5Cfrac%7BQ%7D%7Bq%7D%3D%5Cfrac%7B-30.0%20%5Ccdot%2010%5E%7B-6%7D%20C%7D%7B-1.6%20%5Ccdot%2010%5E%7B-19%7D%20C%7D%3D1.88%20%5Ccdot%2010%5E%7B14%7D)
Answer:
Unknown
Explanation:
By definition, we can't observe what's inside there, because no light – no information of any kind – can escape a black hole. But astrophysical theories suggest that, at the core of a black hole, all the black hole's mass is concentrated into a tiny point of infinite density. This point is known as a singularity.
Change.
Acceleration means going faster
Answer:
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