University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter3: Motion Along A Straight Line
Section: Chapter Questions
Problem 111AP: An object is dropped from a roof of a building of height h . During the last second of its descent,...
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Question
Your boat is moving at a speed of 15 miles per hour at an angle of 25° upstream on a river flowing at 4 miles per hour.The situation is illustrated in the figure.
a. Find the vector representing your boat’s velocity relative to the ground.
b. What is the speed of your boat, to the nearest mile per hour, relative to the ground?
c. What is the boat’s direction angle, to the nearest tenth of a degree, relative to the ground?
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