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1)What potential difference is needed to stop an electron that has an initial velocity v=7.0×105m/sv=7.0×105m/s? 2)How strong...

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Physics

1)What potential difference is needed to stop an electron thathas an initial velocity v=7.0×105m/sv=7.0×105m/s?

2)How strong is the electric field between the plates of a0.80-μFμF air-gap capacitor if they are 3.0 mmmm apart and each hasa charge of 72 μCμC ?

3)A 3700-pFpF air-gap capacitor is connected to a 30-Vbattery.If a piece of mica (K= 7) is placed between the plates, howmuch charge will flow from the battery?

Answer & Explanation Solved by verified expert
3.7 Ratings (369 Votes)
1 Using work energy theoremWq K2K1q0mv22Here m911031 kg v7105 msq161019    See Answer
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