tivity 2: Electric Potential Energy 1. Two-point charges Q1 = 4.5 µC and Q2 8.5 pC are initially very far apart. They are then brought together, with a final separation of 3.5 mm. How much work does it take to bring them together?
tivity 2: Electric Potential Energy 1. Two-point charges Q1 = 4.5 µC and Q2 8.5 pC are initially very far apart. They are then brought together, with a final separation of 3.5 mm. How much work does it take to bring them together?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Hi! Can someone answer Activity 2, no. 1? Thanks!
Transcribed Image Text:point A. Refer to the figure
2 cm
2. A research Van de Graaf generator has a 2.50 mm diameter
Q: +5 nC
sphere with a charge of 6.00 µC on it.
6 cm
A. What is the potential near its surface?
A •
2 cm
B. At what distance from its center is the potential 1.50 MV?
Q,--7 nC
1
Activity 2: Electric Potential Energy
1. Two-point charges Q1
:4.5 µC and Q2 = 8.5 µC are initially very far
%3D
%3D
apart. They are then brought together, with a final separation of 3.5 mm.
How much work does it take to bring them together?
2. An electron is accelerated from rest through a potential difference of 15V.
What is the change in electric potential energy of the electron?
3. In nuclear fission, a nucleus splits roughly in half.
A. What is the potential 4.00 x 10-14 m from a fragment that has 50
protons in it? (p=+1.602x10-19 C)
B. What is the potential energy of a similarly charged fragment at this
distance?
Activity 3: Electric Potential Demonstration
Showing potential energy differences for the earth's gravitational field can be
tinl
n visually, Showing electrical potential (energy) difference is harder to visually
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