A circular track has a radius of 210 feet. A runner changed her speed from 14 to 24 ft/s covering a fraction of 19/(84Tt) of the circumference of the track. Solve for the magnitude of the acceleration of the runner 2 seconds after she begins to increase her speed.
A circular track has a radius of 210 feet. A runner changed her speed from 14 to 24 ft/s covering a fraction of 19/(84Tt) of the circumference of the track. Solve for the magnitude of the acceleration of the runner 2 seconds after she begins to increase her speed.
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Transcribed Image Text:A circular track has a radius of 210 feet. A runner
changed her speed from 14 to 24 ft/s covering a
fraction of 19/(84Tt) of the circumference of the
track. Solve for the magnitude of the acceleration of
the runner 2 seconds after she begins to increase
her speed.
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