Introduction to Vectors Video Lessons

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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. positionB. directionC. displacementD. coordinatesE. velocityF. accelerationG. distanceH. magnitudeI. vectorJ. scalarK. componentsPart A. Velocity differs from speed in that velocity indicates a particle’s _ of motion. Enter the letter from the list given in the problem introduction that best completes the sentence.Part B. Unlike speed, velocity is a _ quantity.Enter the letter from the list given in the problem introduction that best completes the sentence.Part C. A vector has, by definition, both _ and direction.Enter the letter from the list given in the problem introduction that best completes the sentence.

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Part A

The main difference between velocity and speed is that velocity indicates the direction of motion while speed does not. 

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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

Part A. Velocity differs from speed in that velocity indicates a particle’s _ of motion. Enter the letter from the list given in the problem introduction that best completes the sentence.

Part B. Unlike speed, velocity is a _ quantity.
Enter the letter from the list given in the problem introduction that best completes the sentence.

Part C. A vector has, by definition, both _ and direction.
Enter the letter from the list given in the problem introduction that best completes the sentence.

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