If a man ran @ 3m/s for 10s and then -3m/s for 10s more.... A.What is the distance traveled? B. Average speed ? C. Displacement @ end of trip ? D. Average velocity and direction if any ? Can you show me how to solve this please. Thanks

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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If a man ran @ 3m/s for 10s and then -3m/s for 10s more.... A.What is the distance traveled? B. Average speed ? C. Displacement @ end of trip ? D. Average velocity and direction if any ? Can you show me how to solve this please. Thanks
Expert Solution
Step 1

Concept

Scalar and vector quantities.

Scalar quatities are independent of direction whereas the vector quantities depends on the direction.

 

Distance and speed are scalar quantities.

Displacement and velocity are vector quantities. 

Given

Man ran at 3m/s for 10s and then -3m/s for 10s more.

 

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