Finding Capacitance from Charged Capacitor Energy and Voltage?

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SUMMARY

The discussion centers on calculating the capacitance of a capacitor charged to 6417.0 V that stores 208.0 J of energy. The relevant formula provided is Energy = (Capacitance * Voltage²) / 2. By rearranging this equation, capacitance can be determined using the values given. The correct approach leads to the conclusion that capacitance can be calculated as C = (2 * Energy) / (Voltage²).

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Capacitor energy problem??

Homework Statement



A capacitor in this device is charged to 6417.0 V and stores 208.0 J of energy. What is its capacitance?

Homework Equations



i know the equation but dnt know how to use it . . C=(kEoA)/d

The Attempt at a Solution



I don't know how to solve this question. i don't even know how to start. please help
 
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Try this equation: Energy = (Capacitance*Voltage2)/2
 

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