You need to cross a river but you don't care where you land on the other side.   Question 2 options:   You will cross faster if you swim into the current so you do not drift.   the fastest way across is to swim at an angle to the current   You cannot change the rate you cross the river by swimming in any direction   the fastest way to cross is to point straight across the river

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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You need to cross a river but you don't care where you land on the other side.

 

Question 2 options:

 

You will cross faster if you swim into the current so you do not drift.

 

the fastest way across is to swim at an angle to the current

 

You cannot change the rate you cross the river by swimming in any direction

 

the fastest way to cross is to point straight across the river

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