A box experiences a force of 2 N to the left and 3 N to the right. Which is true of the box's motion?
2 answers:
Answer: Option (D) is the correct answer.
Explanation:
The rate of change in velocity over change in time is defined as acceleration.
Mathematically, Acceleration =
where = change in velocity
= change in time
Therefore, when a force of 2 N to the left and 3 N to the right then box will experience acceleration as velocity is also changing with time.
Thus, we can conclude that a box experiences a force of 2 N to the left and 3 N to the right then it is true that the box will experience acceleration.
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Answer:
Approximately .
Explanation:
The gallium here is likely to be produced from a solution using electrolysis. However, the problem did not provide a chemical equation for that process. How many electrons will it take to produce one mole of gallium?
Note the Roman Numeral "" next to
. This numeral indicates that the oxidation state of the gallium in this solution is equal to
. In other words, each gallium atom is three electrons short from being neutral. It would take three electrons to reduce one of these atoms to its neutral, metallic state in the form of
.
As a result, it would take three moles of electrons to deposit one mole of gallium atoms from this gallium solution.
How many electrons are supplied? Start by finding the charge on all the electrons in the unit coulomb. Make sure all values are in their standard units.
.
.
Calculate the number of electrons in moles using the Faraday's constant. This constant gives the size of the charge (in coulombs) on each mole of electrons.
.
It takes three moles of electrons to deposit one mole of gallium atoms . As a result,
of electrons would deposit
of gallium atoms
.