As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 61.0° north of west with a speed of 39.2 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 3.50 h, at which time the course of the hurricane suddenly shifts due north, and its speed slows to a constant 24.8 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 j (c) What is the unit-vector expression for the displacement of the hurricane during the first 3.50 h? km j km î + (d) What is the unit-vector expression for the displacement of the hurricane during the latter 1.50 h? km î + km j (e) How far from Grand Bahama is the eye 5.00 h after it passes over the island? km
As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 61.0° north of west with a speed of 39.2 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 3.50 h, at which time the course of the hurricane suddenly shifts due north, and its speed slows to a constant 24.8 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 j (c) What is the unit-vector expression for the displacement of the hurricane during the first 3.50 h? km j km î + (d) What is the unit-vector expression for the displacement of the hurricane during the latter 1.50 h? km î + km j (e) How far from Grand Bahama is the eye 5.00 h after it passes over the island? km
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 54P: A delivery man starts at the post office, drives 40 km north, then 20 km west, then 60 km northeast,...
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