help with this

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 51RE: The population of a city is modeled by the equation P(t)=256,114e0.25t where t is measured in years....
icon
Related questions
Topic Video
Question

please i need help with this

A rope passing through a capstan on a dock is attached to a boat offshore. The rope is pulled in at a constant rate of 2 ft /s, and the capstan is 4 ft vertically above the water. How fast is the boat traveling when it is 12 ft from the dock?
Let x be the horizontal distance from the boat to the dock and z be the length of the rope. Write an equation relating x and z.
Differentiate both sides of the equation with respect to t.
dx
dz
%3D
dt
dt
When the boat is 12 ft from the dock, it is traveling at about
(Round to two decimal places as needed.)
ft3 /s.
ft? /s.
ft /s.
ft.
Transcribed Image Text:A rope passing through a capstan on a dock is attached to a boat offshore. The rope is pulled in at a constant rate of 2 ft /s, and the capstan is 4 ft vertically above the water. How fast is the boat traveling when it is 12 ft from the dock? Let x be the horizontal distance from the boat to the dock and z be the length of the rope. Write an equation relating x and z. Differentiate both sides of the equation with respect to t. dx dz %3D dt dt When the boat is 12 ft from the dock, it is traveling at about (Round to two decimal places as needed.) ft3 /s. ft? /s. ft /s. ft.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Data Collection, Sampling Methods, and Bias
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell