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What is a Coulomb?
The coulomb is the SI unit of electrical charge. A coulomb, a unit of electrical charge, is defined as the amount of electric charge transported by a current of 1 ampere in 1 second. There are 6.241506×1018 electrons (or elementary charges) in a coulomb. A link is provided to the Wikipedia post on the coulomb.
Example of a real life situation for the integer -100?
You overdraw your bank account by 100 currency units. What is your bank balance? That is, before the bank slaps on a overdrawn penalty, an interest charge, a charge to write to you to inform you that you are overdrawn, and quite possibly, a charge to tell you that you are now even more overdrawn than you thought because of all these charges!
Offer a rationalization why the Bjerrum length is inversely porportional to temperature?
The Bjerrum length is the separation distance at which the potential electric energy of two elementary charges is equal to kB*T. The electric potential energy of two elementary charges is inversely proportional to their separation distance. Since kB*T is trivially proportional to temperature T, at a higher temperature you need to place two elementary charges closer to each other to get the electric potential energy equal to kB*T. As the separation distance between those charges is defined as the Bjerrum length, the Bjerrum length is inversely proportional to temperature.
What is the answer of David charges 15 plus 5.50 per hour to mow lawns. Ari charges 12 plus 6.25 per hour to mow lawns. In what situations is Ari's charge greater than or equal to David's charge?
If the job takes four hours or longer then Ari's charge is greater.
Find the number of miles for which the companies charges will be the same Then find that charge?
The charge per number of miles varies from one company to another while the average charge is $ 18 per mile.
