A triathlete on the swimming leg of a triathlon is 120.0 m from the shore (a). The triathlete's bike is 60.0 m from the shore on the land (b). The component of her distance from the bicycle along the shore line, (x + y in the diagram), is 154.8 m. Triathlete a shoreline y Water Land If the triathlete's running speed is 7.85 m/s and swimming speed is 1.413 m/s, calculate the value of x so that the triathlete reaches her bike in the least amount of time. 107.4 m Snell's Law is helpful here. Submit Answer Incorrect. Tries 6/20 Previous Tries Calculate the minimum time required to reach the bicycle. 122.22 s Submit Answer Incorrect. Tries 1/20 Previous Tries

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A triathlete on the swimming leg of a triathlon is 120.0 m from the shore (a). The triathlete's bike is 60.0 m from the shore on the land (b). The component of her distance from the bicycle
along the shore line, (x + y in the diagram), is 154.8 m.
Triathlete
X
shoreline
y
Water
Land
If the triathlete's running speed is 7.85 m/s and swimming speed is 1.413 m/s, calculate the value of x so that the triathlete reaches her bike in the least amount of time.
107.4 m
Snell's Law is helpful here.
Submit Answer
Incorrect. Tries 6/20 Previous Tries
Calculate the minimum time required to reach the bicycle.
122.22 s
Submit Answer Incorrect. Tries 1/20 Previous Tries
Transcribed Image Text:A triathlete on the swimming leg of a triathlon is 120.0 m from the shore (a). The triathlete's bike is 60.0 m from the shore on the land (b). The component of her distance from the bicycle along the shore line, (x + y in the diagram), is 154.8 m. Triathlete X shoreline y Water Land If the triathlete's running speed is 7.85 m/s and swimming speed is 1.413 m/s, calculate the value of x so that the triathlete reaches her bike in the least amount of time. 107.4 m Snell's Law is helpful here. Submit Answer Incorrect. Tries 6/20 Previous Tries Calculate the minimum time required to reach the bicycle. 122.22 s Submit Answer Incorrect. Tries 1/20 Previous Tries
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