or sphere, and show that the
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 18T
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Determine whether the following trajectory lies on either a circle in
ℝ2 or a sphere in ℝ3 centered at the origin. If so, find the radius of the circle or sphere, and show that the position vector and the velocity vector are everywhere orthogonal.
r(t)=(10 cos 2t,10 sin2t), for 0≤t≤π
The trajectory lies on a circle with radius_?
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