Two disks spaced 1.00mm apart form a parallel-plate capacitor. The electric field between the disks is 5.0x105 V/m. a. What is the voltage across the capacitor? AV=500 V b. A proton(m =1.67 x 10-27 kg) is fired with a speed of 200,000m/s is fired from the midpoint of the capacitor toward the positive plate. What is the potential at the point where the proton changes direction? V = 459 V 200,000 m/s + + +

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Two disks spaced 1.00mm apart form a parallel-plate capacitor. The electric field
between the disks is 5.0x105 V/m.
a. What is the voltage across the capacitor? AV=500 V
b. A proton(m =1.67 x 10-27 kg) is fired with a speed of 200,000m/s is fired from
the midpoint of the capacitor toward the positive plate. What is the potential at
the point where the proton changes direction?
V = 459 V
200,000 m/s
+
+
+
Transcribed Image Text:Two disks spaced 1.00mm apart form a parallel-plate capacitor. The electric field between the disks is 5.0x105 V/m. a. What is the voltage across the capacitor? AV=500 V b. A proton(m =1.67 x 10-27 kg) is fired with a speed of 200,000m/s is fired from the midpoint of the capacitor toward the positive plate. What is the potential at the point where the proton changes direction? V = 459 V 200,000 m/s + + +
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