According to relativity theory, if a space trip finds a son or daughter biologically older than his or her parents, then the spa
1 answer:
Answer:
B. parents
Explanation:
one of the conclusions from Einsteins relativity theory for his equation E= (where E is energy, m is mass and C is the speed of light),
is that time moves relative to the observer. Time moves more slowly when the observer is in motion (time dilation), therefore an individual in motion ages more slowly than someone at rest. This in fact happened when astronaut Scot Kelly spent nearly a year on board the international space station and on his return, his twin brother had aged slightly faster than him. In conclusion, if a space trip finds a son or daughter is biologically older than his or her parents, the space trip was taken by the parents.
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Answer:
It would take time for the capacitor to discharge from
to
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It would take time for the capacitor to discharge from
to
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Note that , and that
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Explanation:
In an RC circuit, a capacitor is connected directly to a resistor. Let the time constant of this circuit is , and the initial charge of the capacitor be
. Then at time
, the charge stored in the capacitor would be:
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Apply the equation :
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The goal is to solve for in terms of
. Rearrange the equation:
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Take the natural logarithm of both sides:
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Apply the equation :
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The goal is to solve for in terms of
. Rearrange the equation:
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Take the natural logarithm of both sides:
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.
.