A pair of oppositely charged plates are separated by a distance of 5.0cm with a potential difference of 550V between the plates. A proton is released from rest at the positive plate at the same time that an electron is released from rest at the negative plate. Disregard any interaction between the proton and electron. How long does it take for the paths of the proton and the electron to cross?        A. 6.2x10^-9 s       B. 7.2x10^-9 s       C. 8.2x10^-9 s       D. 9.2x10^-9 s       E. None of the Abpve

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A pair of oppositely charged plates are separated by a distance of 5.0cm with a potential difference of 550V between the plates. A proton is released from rest at the positive plate at the same time that an electron is released from rest at the negative plate. Disregard any interaction between the proton and electron. How long does it take for the paths of the proton and the electron to cross? 
 
 
 
A. 6.2x10^-9 s
 
 
 
B. 7.2x10^-9 s
 
 
 
C. 8.2x10^-9 s
 
 
 
D. 9.2x10^-9 s
 
 
 
E. None of the Abpve
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