Answer a(i), (ii), (iii) & (iv) 10U/ev42-2-4-8-1015 67 82Figure 4(i) What is the minimum potential energy in joules?(ii) With reference to the graph, explain the expansion of solids(iii) Determine slopes at the points where the r values are 11 nm, 38 nm and 67 nm.(iv) Plot a graph of slopes above against r, estimate the energy needed to separate the atomscompletely.(b) Explain how electromotive force is different from potential difference.006) 7) (a) Figure 4 below shows how the potential, U, between two neutral atoms varies withtheir distance apart.

Answered: 10 U/ev 4 -2 -4 -8 -10 2 3 5 6 7 8…

10 U/ev 4 -2 -4 -8 -10 2 3 5 6 7 8 Figure 4 (i) What is the minimum potential energy in joules? (ii) With reference to the graph, explain the expansion of solids

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter7: Electric Potential

Section: Chapter Questions

Problem 21CQ: Is the electric potential necessarily constant over the surface of a conductor?

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Question

Answer a(i), (ii), (iii) & (iv)

10
U/ev
4
2
-2
-4
-8
-10
1
5 6
7 8
2
Figure 4
(i) What is the minimum potential energy in joules?
(ii) With reference to the graph, explain the expansion of solids
(iii) Determine slopes at the points where the r values are 11 nm, 38 nm and 67 nm.
(iv) Plot a graph of slopes above against r, estimate the energy needed to separate the atoms
completely.
(b) Explain how electromotive force is different from potential difference.
00
6)

7) (a) Figure 4 below shows how the potential, U, between two neutral atoms varies with
their distance apart.

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