Problem: One of the difficulties in studying mechanics is that many common words are used with highly specific technical meanings, among them velocity, acceleration, position, speed, and displacement. The series of questions in this problem is designed to get you to try to think of these quantities like a physicist.Answer the questions in this problem using words from the following list: A. position B. direction C. displacement D. coordinates E. velocity F. acceleration G. distance H. magnitude I. vector J. scalar K. components A vector has, by definition, both _______ and direction. Enter the letter from the list given in the problem introduction that best completes the sentence.Once you have selected a coordinate system, you can express a two-dimensional vector using a pair of quantities known collectively as  _______. Enter the letter from the list given in the problem introduction that best completes the sentence. Speed differs from velocity in the same way that  _______ differs from displacement. Enter the letter from the list given in the problem introduction that best completes the sentence.

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A vector has, by definition, both Magnitude and direction. 

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Problem Details

One of the difficulties in studying mechanics is that many common words are used with highly specific technical meanings, among them velocity, acceleration, position, speed, and displacement. The series of questions in this problem is designed to get you to try to think of these quantities like a physicist.

Answer the questions in this problem using words from the following list: 

A. position 

B. direction 

C. displacement 

D. coordinates 

E. velocity 

F. acceleration 

G. distance 

H. magnitude 

I. vector 

J. scalar 

K. components 


A vector has, by definition, both _______ and direction. 

Enter the letter from the list given in the problem introduction that best completes the sentence.


Once you have selected a coordinate system, you can express a two-dimensional vector using a pair of quantities known collectively as  _______. 

Enter the letter from the list given in the problem introduction that best completes the sentence. 


Speed differs from velocity in the same way that  _______ differs from displacement. 

Enter the letter from the list given in the problem introduction that best completes the sentence.