Answer to Question #81105 in Classical Mechanics for Aygozel

Question

As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 58.0° north of west with a speed of 39.6 km/h. (Let î represent east and ĵ represent north.)
(a) What is the unit-vector expression for the velocity of the hurricane?
km/h î + km/h ĵ

It maintains this velocity for 3.20 h, at which time the course of the hurricane suddenly shifts due north, and its speed slows to a constant 22.4 km/h. This new velocity is maintained for 1.50 h.
(b) What is the unit-vector expression for the new velocity of the hurricane?
km/h î + km/h ĵ

(c) What is the unit-vector expression for the displacement of the hurricane during the first 3.20 h?
km î + km ĵ

(d) What is the unit-vector expression for the displacement of the hurricane during the latter 1.50 h?
km î + km ĵ

(e) How far from Grand Bahama is the eye 4.70 h after it passes over the island?
km

Answer 1

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