Particle P moves along the y-axis so that its position at time t is given by y(t) = 4t² - 5t + 7 for all times t. A second particle, Q, moves along the x axis so that its position at time t is given by x(t): sin(at) 2-t for all times t # 2. = a. Find lim x(t). Show the work that leads to your answer. t-2 b. Show that the velocity of particle Q is given by vo (t) = 2n cos(nt)—rt cos(at)+sin(zt) (2-t)² for all times t = 2. c. Use calculus and algebra to find a value of t such that P and Q reach the same velocity. Show the work that leads to your answer. State the velocity.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.6: Rational Functions
Problem 2E
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I submitted this same question twice because I am looking for more detail in the solution, especially with part b. Can you help? Thank you.

Particle P moves along the y-axis so that its position at time t is given by
y(t) = 4t²5t + 7 for all times t. A second particle, Q, moves along the x axis so that its
sin(at)
position at time t is given by x(t)
for all times t # 2.
2-t
=
a. Find lim x(t). Show the work that leads to your answer.
t→2
b. Show that the velocity of particle Q is given by vo(t)
=
2π сos(лt)-лt cos(πt)+sin(πt)
(2-t)²
for all
times t # 2.
c. Use calculus and algebra to find a value of t such that P and Q reach the same velocity.
Show the work that leads to your answer. State the velocity.
Transcribed Image Text:Particle P moves along the y-axis so that its position at time t is given by y(t) = 4t²5t + 7 for all times t. A second particle, Q, moves along the x axis so that its sin(at) position at time t is given by x(t) for all times t # 2. 2-t = a. Find lim x(t). Show the work that leads to your answer. t→2 b. Show that the velocity of particle Q is given by vo(t) = 2π сos(лt)-лt cos(πt)+sin(πt) (2-t)² for all times t # 2. c. Use calculus and algebra to find a value of t such that P and Q reach the same velocity. Show the work that leads to your answer. State the velocity.
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