3. A body moves in a straight line according to this equation of motion: s(t) = 10t² - 4t + 8, where t is measured in seconds and s in meters. a. What is its position at the end of 5 sec? b. What is the equation for its velocity v at any time t? c. What is its velocity v at the end of 5 seconds? d. What is the equation for its acceleration a at any time t? e. What is its acceleration at the end of 5 seconds?

3. A body moves in a straight line according to this equation of motion: s(t) = 10t² - 4t + 8, where t is measured in seconds and s in meters. a. What is its position at the end of 5 sec? b. What is the equation for its velocity v at any time t? c. What is its velocity v at the end of 5 seconds? d. What is the equation for its acceleration a at any time t? e. What is its acceleration at the end of 5 seconds?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 7P: A motorist drives for 35.0 minutes at 85.0 km/h and then stops for 15.0 minutes. He then continues...

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