the dock (6 ft) above the bow. The rope is pulled in at the rate of (3 ft/sec). a). How fast is the boat approaching the dock when 12 ft of rope are out? b). At what rate is the angle changing then (see the figure)? Ring at edge of dock

the dock (6 ft) above the bow. The rope is pulled in at the rate of (3 ft/sec). a). How fast is the boat approaching the dock when 12 ft of rope are out? b). At what rate is the angle changing then (see the figure)? Ring at edge of dock

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

10:54
Mid 25.jpg
Q1
A boat is pulled toward a dock by a rope from the bow through a ring on
the dock (6 ft) above the bow. The rope is pulled in at the rate of (3 ft/sec).
a). How fast is the boat approaching the dock when 12 ft of rope are out?
b). At what rate is the angle changing then (see the figure)?
Ring at edge
of dock
Q2
Find (d y/d x)& (dy/dx)
ey cosxy = x

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