Assume Earth and a cloud layer 0.900 Km above the Earth can be treated as plates of a parallel-plate capacitor.
a. If the cloud layer has an area of 2.00 × 10^4 m2, what is the capacitance?
b. If an electric field strength of 2.0 × 10^5 N/C causes the air to conduct charge (lightning), what charge can the cloud hold?
c. Describe what must happen to its molecules for air to conduct electricity.
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Ответ:
A
Explanation:
if the cloud layer has an area of 2.00 x 10^4
m2, what is the capacitance?
Ответ:
The two forces that affect on the pendulum are the force of gravity,
Explanation:
⇒ There is the force of gravity that acts downward upon the bob. It results from the Earth's mass attracting the mass of the bob. And there is a tension force acting upward and towards the pivot point of the pendulum.Therefore, I hope this helps!
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