Asked by Walter
Word Problems pages 18-19
A sailboat heads north at 3 m/s for 1 hour and then tracks back to the southeast (at 45 degrees to north) at 2 m/s for 45 minutes.
a. How far has the boat sailed?
b. How far is it from its starting location?
The textbook that included the word problem is: Basic Biomechanics Sixth Edition by Susan J. Hall;
ISBN#978-0-07-337644-8
The course name: Biomechanics
A sailboat heads north at 3 m/s for 1 hour and then tracks back to the southeast (at 45 degrees to north) at 2 m/s for 45 minutes.
a. How far has the boat sailed?
b. How far is it from its starting location?
The textbook that included the word problem is: Basic Biomechanics Sixth Edition by Susan J. Hall;
ISBN#978-0-07-337644-8
The course name: Biomechanics
Answers
Answered by
bobpursley
figure the distances in both directions.
distance=veloicyt*time
Add the distances. I would do this by taking the second direction as a composite of two vectors, one N, and one E.
Add the N component to the original course. You can now add the two ninety degree vectors.
distance=veloicyt*time
Add the distances. I would do this by taking the second direction as a composite of two vectors, one N, and one E.
Add the N component to the original course. You can now add the two ninety degree vectors.
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