Let r(t) = 6 lnti – 4tj + 2e2k represents the position of a particle at t > 0. What is the particle's velocity at t= 1? Select one: O 6i+4e²k O 6i – 4j + 4e²k O 4e?i – 4j + 3k O 6i – 4j+ 2e²k

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Let r(t) = 6 In ti – 4tj + 2e2k represents the position of a particle at t > 0. What is the particle's velocity at
t = 1?
Şelect one:
O 6i+ 4e?k
O 6i – 4j + 4e2k
O 4e?i – 4j + 3k
O 6i – 4j + 2e²k
Transcribed Image Text:Let r(t) = 6 In ti – 4tj + 2e2k represents the position of a particle at t > 0. What is the particle's velocity at t = 1? Şelect one: O 6i+ 4e?k O 6i – 4j + 4e2k O 4e?i – 4j + 3k O 6i – 4j + 2e²k
What is the unit tangent vector to the curver(t) = t²j+tk when t = 2.
Select one:
=(2j + k)
O TT
ㅇ G+2k)
O (4j + k)
O (4j + k)
V17
Transcribed Image Text:What is the unit tangent vector to the curver(t) = t²j+tk when t = 2. Select one: =(2j + k) O TT ㅇ G+2k) O (4j + k) O (4j + k) V17
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