A runner wants to run 12.3 km . She knows that her running pace is 6.8 mi/h.
How many minutes must she run? Hint: Use 6.8 mi/h as a conversion factor between distance and time.

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05-09-2017
Chemistry

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A runner wants to run 12.3 km . She knows that her running pace is 6.8 mi/h.
How many minutes must she run? Hint: Use 6.8 mi/h as a conversion factor between distance and time.

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andriansp andriansp · Answer 1 · 2017-09-12T13:02:55+02:00

andriansp andriansp

12-09-2017

To answer this question, you need to know how to convert mile into kilometer. One mile is equal to 1.60934km. Then the runner speed in km/h should be: 6.8 mi/h * 1.60934km/mi= 10.94km/h.
Then the time needed should be:
time= distance / velocity= 12.3km / (10.94km/h)= 1.1243 hour *60 minute/hour= 67.45minutes

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A runner wants to run 12.3 km . She knows that her running pace is 6.8 mi/h. How many minutes must she run? Hint: Use 6.8 mi/h as a conversion factor between distance and time.

Respuesta :

Otras preguntas

A runner wants to run 12.3 km . She knows that her running pace is 6.8 mi/h.
How many minutes must she run? Hint: Use 6.8 mi/h as a conversion factor between distance and time.