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roxygirl8914
16.11.2020 •
Physics
Coincidences are always signs of causation
True
False
Solved
Show answers
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Ответ:
False.
Explanation:
The coincidences do not necessarily have to be the result of a causation, but can also come from the performance of similar processes, which have been intentionally followed to replicate successful or functional processes to a certain activity.
Thus, a coincidence in a physical reaction is not necessarily random, but is sometimes the result of a process of replication of the method that originates the event in question.
Ответ:
a![D = 3.9 *10^{-12} \ m](/tpl/images/0690/1766/c5d31.png)
b![\tau_{max} = 1.24 *10^{-25} \ N\cdot m](/tpl/images/0690/1766/1830b.png)
c![W = 2.48 *10^{-25} J](/tpl/images/0690/1766/e51af.png)
Explanation:
From the question we are told that
The magnitude of electric dipole moment is![\sigma = 6.2 *10^{-30} \ C \cdot m](/tpl/images/0690/1766/ea7a7.png)
The electric field is![E = 2*10^{4} \ N/C](/tpl/images/0690/1766/e9112.png)
The distance between the positive and negative charge center is mathematically evaluated as
Where e is the charge on one electron which has a constant value of![e = 1.60 *10^{-19} \ C](/tpl/images/0690/1766/2e2e9.png)
Substituting values
The maximum torque is mathematically represented as
Here![\theta = 90^o](/tpl/images/0690/1766/45585.png)
This because at maximum the molecule is perpendicular to the field
substituting values
The workdone is mathematically represented as
where
is the potential energy at 180° which is mathematically evaluated as
Where the negative signifies that it is acting against the field
substituting values
and
substituting values
So![W = 1.24 *10^{-25} - [-1.24 *10^{-25}]](/tpl/images/0690/1766/0d80a.png)