Question 3 of 20

a. How fast is the boat approaching the dock when 15 ft of rope are out?

ft/sec

(Type an integer or a simplified fraction.)

b. At what rate is the angle changing at this instant?

A dinghy is pulled toward a dock by a rope from the bow through a ring on the dock 9 ft above the bow. The rope is hauled in at the rate of 2 ft/sec. Complete

parts (a) and (b).

rad/sec

(Type an integer or a simplified fraction.)

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Ring at edge

of dock