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Understanding Scalars and Vectors: Velocity, Speed, and Motion Analysis

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This review covers key concepts in physics related to scalars and vectors. It explains how vector quantities have both magnitude and direction, while scalar quantities have magnitude only. The review includes calculating average velocity from a table and graph, as well as solving a word problem to find average speed over a distance. Additionally, it discusses how to interpret graphs to analyze the motion of objects, focusing on velocity and acceleration changes. A practical exercise involves drawing a velocity vs. time graph for uniform acceleration.

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Understanding Scalars and Vectors: Velocity, Speed, and Motion Analysis

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Presentation Transcript

  1. Physics Week 3 CCA REVIEW

  2. Scalar/Vector • Vector quantities have both ____ and _____. • Scalar quantities have ____ only.

  3. Calculating Velocity from a Table What is the average velocity during the interval 4 s to 5 s?

  4. Calculating Velocity from a Graph Calculate the velocity between 3 and 9 seconds.

  5. Speed Word Problem • A student leaves home for school in the morning and takes 10 minutes to go 5 miles to get breakfast at McDonalds. It takes him 10 minutes to get his order and another 10 minutes to go another 5 miles to school. What was his average speed in miles per hour?

  6. Interpreting Graphs Write a sentence that will explain the motion of each car?

  7. Interpreting Graphs • In the following graph, determine if and where velocity and acceleration is increasing, decreasing, or staying the same. Also indicate if there is a change in direction.

  8. Interpreting Graphs • Draw a velocity vs time graph in which the object is undergoing uniform acceleration.

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