A 960-m wide river flows at 16 m/s to the west as shown in the figure [not to scale]. Alice and John have a race in identical boats which each travel 20 m/s in still water. Alice leaves point A and steers so that she goes straight to point B directly across and then straight back to A. John leaves point A and steers up to point C (600 m upstream) and then returns to A. Which person arrives back at point A first, and how much sooner do they get there?
A 960-m wide river flows at 16 m/s to the west as shown in the figure [not to scale]. Alice and John have a race in identical boats which each travel 20 m/s in still water. Alice leaves point A and steers so that she goes straight to point B directly across and then straight back to A. John leaves point A and steers up to point C (600 m upstream) and then returns to A. Which person arrives back at point A first, and how much sooner do they get there?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A 960-m wide river flows at 16 m/s to the west as shown in the figure [not to scale]. Alice and
John have a race in identical boats which each travel 20 m/s in still water. Alice leaves point A
and steers so that she goes straight to point B directly across and then straight back to A. John
leaves point A and steers up to point C (600 m upstream) and then returns to A.
Which person arrives back at point A first, and how much sooner do they get there?
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