A kayaker needs to paddle north across a 100-m-wide

Chapter 4, Problem 53P

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QUESTION:

A kayaker needs to paddle north across a 100-m-wide harbor. The tide is going out, creating a tidal current flowing east at 2.0 m/s. The kayaker can paddle with a speed of 3.0 m/s.

a.  In which direction should he paddle in order to travel straight across the harbor?

b.  How long will it take him to cross?

Questions & Answers

QUESTION:

A kayaker needs to paddle north across a 100-m-wide harbor. The tide is going out, creating a tidal current flowing east at 2.0 m/s. The kayaker can paddle with a speed of 3.0 m/s.

a.  In which direction should he paddle in order to travel straight across the harbor?

b.  How long will it take him to cross?

ANSWER:

Step 1 of 4

We are required to identify the direction he should peddle in order to travel across the straight.

We need to calculate the time taken to cross the harbor

Step  2 of 4

Direction of the resultant vector is given by

   

   

   

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