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GachaSkylarUwU
25.06.2019 •
Physics
7. and 8. , i would prefer someone to explain how to do it
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Ответ:
#7
Given that an electron revolves in a circle and the essential centripetal force is given as
now we need to find its speed
so we know that this force is given as
#8
Here the force due to earth on satellite is the centripetal force to revolve around earth
so we can say that force due to earth is given as
we know that
now from above equation we have
Ответ:
The total resistance is 3 ohms.
And the battery voltage ... or even the presence of a battery ... doesn't matter.