A sprinter participating in the 200 m dash has to run around a track that has a circular arc with a radius of curvature of 26 m. She completes the 200 m dash in 22.8 seconds at constant speed throughout the race. a) What is the magnitude of her centripetal acceleration in m/s2 as she runs the curved portion of the track? b) What is the magnitude of her tangential acceleration in m/s2 as she runs the curved portion of the track? c) What is the magnitude of her angular acceleration in rad/s2 as she runs the curved portion of the track? d) What is the magnitude of her resultant linear acceleration in m/s2 as she runs the curved portion of the track?
A sprinter participating in the 200 m dash has to run around a track that has a circular arc with a radius of curvature of 26 m. She completes the 200 m dash in 22.8 seconds at constant speed throughout the race. a) What is the magnitude of her centripetal acceleration in m/s2 as she runs the curved portion of the track? b) What is the magnitude of her tangential acceleration in m/s2 as she runs the curved portion of the track? c) What is the magnitude of her angular acceleration in rad/s2 as she runs the curved portion of the track? d) What is the magnitude of her resultant linear acceleration in m/s2 as she runs the curved portion of the track?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section5.3: Nonuniform Circular Motion
Problem 5.5QQ: Which of the following is impossible for a car moving in a circular path? Assume that the car is...
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A sprinter participating in the 200 m dash has to run around a track that has a circular arc with a radius of curvature of 26 m. She completes the 200 m dash in 22.8 seconds at constant speed throughout the race.
a) What is the magnitude of her centripetal acceleration in m/s2 as she runs the curved portion of the track?
b) What is the magnitude of her tangential acceleration in m/s2 as she runs the curved portion of the track?
c) What is the magnitude of her angular acceleration in rad/s2 as she runs the curved portion of the track?
d) What is the magnitude of her resultant linear acceleration in m/s2 as she runs the curved portion of the track?
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