A classical mechanics problem by Rishabh Sood
A man runs around a curved track as shown below, in which the radius of each track increases by r meters. If the man's initial speed Is πrm/s and the man halves his speed after every semi-circular track, the time he will take running around 8 such semi- circles, the smallest semicircle with r as radius is:
:
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1 solution
Add all the times and convert in minutes to get the answer