Question

A parallel-plate capacitor is formed from two 7.4 cm -diameter electrodes spaced 1.6 mm apart. The electric field strength inside the capacitor is 4.0 x 10⁶ N/C.

You may want to review (Pages 644-645)

Part A

What is the charge (in nC) on each electrode? Express your answer using two significant figurcs. 

Two 1.7 cm -diameter disks face each other, 2.6 mm apart. They are charged to ±16nC

Part A

 What is the electric field strength between the disks? 

 Express your answer to two significant figures and includc the appropriatc units. EValue Units Submit ucst An Part B A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have to just barely reach the positive disk? Express your answer to two significant figures and includc the appropriatc units. Value Units u=

Answer 1

Ans 1 part A)

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2) Part A

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part B

The launch speed v = 2.0x10⁶ m/s