path with velocity equation v(t)=0.06t^2 + 0.15t, starting from rest. it took him 3.25 seconds to finish the first 5-meter run. find the radius of curvature of the circular track if he achieves  a total acceleration of 12 m/s^2 at the time he covered a

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter2: Motion
Section2.4: Acceleration In Uniform Circular Motion
Problem 2.6CE
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a runner travels in a circular path with velocity equation v(t)=0.06t^2 + 0.15t, starting from rest. it took him 3.25 seconds to finish the first 5-meter run. find the radius of curvature of the circular track if he achieves  a total acceleration of 12 m/s^2 at the time he covered a distance of  28 meters. 

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