Application of vector - answer checking

In summary, the purpose of using vector in answer checking is to accurately measure the magnitude and direction of an answer. It helps in identifying errors by breaking down the answer into its individual components and comparing it to expected values. Some common applications include physics, engineering, math, and computer programming. However, there are limitations, such as its applicability to certain types of problems and the need for a thorough understanding. Vector can be incorporated into answer checking algorithms through mathematical operations and providing feedback for students.
  • #1
Michael_Light
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Homework Statement



Two ships, A and B are sailing along straight routes with constant velocities. At 10 o clock morning, ship B is 8 nautical miles from A and its bearing from A is 315°. At 10.15 in the morning, ship B is 6 nautical miles from A and its bearing from A is 320°. Find the direction of velocity B relative to A.

Homework Equations





The Attempt at a Solution



My answer: W30.5°N, but answer given if E30.5°S, what answer do you guys get? :smile:
 
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  • #2
The given answer, E30.5S is correct. How did you get "W... S"?
 

FAQ: Application of vector - answer checking

What is the purpose of using vector in answer checking?

The purpose of using vector in answer checking is to accurately measure the magnitude and direction of an answer. This allows for a more precise evaluation of a student's understanding of a concept, as well as identifying any errors in their calculations.

How does vector help in identifying errors in answers?

Vector helps in identifying errors in answers by breaking down the answer into its individual components (magnitude and direction) and comparing it to the expected values. If there is a discrepancy, it can point to a specific error in the student's calculations.

What are some common applications of vector in answer checking?

Some common applications of vector in answer checking include physics and engineering problems involving forces, displacement, and velocity. It can also be used in math problems involving geometry and trigonometry, as well as in computer programming for game development and simulations.

Are there any limitations to using vector in answer checking?

Yes, there are limitations to using vector in answer checking. It may not be applicable to all types of problems, such as those involving non-linear or complex equations. It also requires a thorough understanding of vector concepts, which may be challenging for some students.

How can vector be incorporated into answer checking algorithms?

Vector can be incorporated into answer checking algorithms by using mathematical operations such as addition, subtraction, and dot product to compare the student's answer with the expected answer. It can also be used to generate feedback for the student, highlighting any errors in their calculations and providing suggestions for improvement.

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