Question: A certain parallel-plate capacitor has two 3.5 cm-diameter-disks spaced 2.8 mm apart. The electric field between the disks is 10.2 x 10 V/m. c )

A certain parallel-plate capacitor has two 3.5 cm-diameter-disks spaced 2.8 mm apart. The electric field between the disks is 10.2 x 10 V/m.

c) A proton is launched from the positive plate with an initial speed of 5.8 x 10⁶ m/s. What is the speed by which it strikes the negative plate? Does the proton gain or lose speed? Why? (5 points,out of which 1 point is for a labeled figure, 1 point for the correct equation being used, and 1 point for the answer to 2 significant figures in scientific notation with the units).

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