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Olympic-class sprinter starts a race with an acceleration

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 20PE Chapter 2

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 20PE

Olympic-class sprinter starts a race with an acceleration of 4.50 m/s2 . (a) What is her speed 2.40 s later? (b) Sketch a graph of her position vs. time for this period.

Step-by-Step Solution:

Step-by-step solution Step 1 of 5 (a) Apply the kinematics equation, Here v is the final velocity, u is the initial velocity, a is the acceleration and t is the time interval during which a body is under acceleration. Step 2 of 5 Substitute for , for and for t. The final velocity of the sprinter is . Comment Step 3 of 5 (b) Use the kinematics equation, Here is the distance. Comment

Step 4 of 5

Chapter 2, Problem 20PE is Solved
Step 5 of 5

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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Olympic-class sprinter starts a race with an acceleration

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