Two square, oppositely charged conducting plates measure 25cm on each side. The

Question

Two square, oppositely charged conducting plates measure 25cm on each side. The plates are close together and parallel to each other. They each have a total charge of +4.8nC and -4.8nC , respectively.

Part A

What is the electric field between the plates?

Express your answer using two significant figures

Part B

What force is exerted on an electron located between the plates?

Express your answer using two significant figures.

Part C

What would be the electron's acceleration if it were released from rest?

Express your answer using two significant figures.

  

m/s

Two square, oppositely charged conducting plates measure 25cm on each side. The plates are close together and parallel to each other. They each have a total charge of +4.8nC and -4.8nC , respectively.

Part A

What is the electric field between the plates?

Express your answer using two significant figures

E =   N/C  

Part B

What force is exerted on an electron located between the plates?

Express your answer using two significant figures.

F =   N  

Part C

What would be the electron's acceleration if it were released from rest?

Express your answer using two significant figures.

a =

  

m/s

Explanation / Answer

a) E = ?/?o = q/(A*?o) = 4.8x10^-9/(0.25^2*8.854x10^-12)) = 0.868 x10^4 N/C

b) F = E*q = 0.868 x10^4 N/C*1.60x10^-19C = 1.39 x10^-15N

c) a = F/m = 1.39 x10^-15 / 9.109x10-31 = 1.525 x 10^15 m/s2

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