zA V x F F General rotation field а 3 (1, —1, 1) F = a xr VXF = 2a y Figure 17.41

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter5: Electric Charges And Fields
Section: Chapter Questions
Problem 93P: A spherical water droplet of radius 25 m carries an excess 250 electrons. What vertical electric...
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Curl of a rotation field Compute the curl of the rotation field
F = a x r, where a = ⟨2, -1, 1⟩ and r = ⟨x, y, z⟩(see figure). What are the
direction and the magnitude of the curl?

zA
V x F
F
General
rotation field
а 3 (1, —1, 1)
F = a xr
VXF = 2a
y
Figure 17.41
Transcribed Image Text:zA V x F F General rotation field а 3 (1, —1, 1) F = a xr VXF = 2a y Figure 17.41
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