Suppose r(t) = cos(nt) i + sin(at) j + 5tk represents the position of a particle on a helix, where z is the height of the particle.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter2: Graphical And Tabular Analysis
Section2.1: Tables And Trends
Problem 1TU: If a coffee filter is dropped, its velocity after t seconds is given by v(t)=4(10.0003t) feet per...
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Suppose 7(t) = cos(nt) i + sin(at)j+ 5tk represents the position of a particle on a helix, where z is the height of the particle.
(a) What is t when the particle has height 15?
t =
(b) What is the velocity of the particle when its height is 15?
(c) When the particle has height 15, it leaves the helix and moves along the tangent line at the constant velocity found in part (b). Find a vector parametric equation for the position of the particle (in terms of the original parameter t) as it
moves along this tangent line.
L(t)
Transcribed Image Text:Suppose 7(t) = cos(nt) i + sin(at)j+ 5tk represents the position of a particle on a helix, where z is the height of the particle. (a) What is t when the particle has height 15? t = (b) What is the velocity of the particle when its height is 15? (c) When the particle has height 15, it leaves the helix and moves along the tangent line at the constant velocity found in part (b). Find a vector parametric equation for the position of the particle (in terms of the original parameter t) as it moves along this tangent line. L(t)
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