Question 818582: [ how long will it take a marathon runner to complete the 26 mile marathon if she runs at a steady 4.3 m/s? give your answer in [HOURS]. ]
Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! s = (4.3 meter / sec) * (3600 sec / hour) * ( 1/1609.3 miles / meter)
s = 9.619089 mph
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s = d / t
t = d / s
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t = 26 miles / 9.62 mph
t = 2.7029587
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answer:
time to complete the race: 2.7029 hours
2 hours, 42 minutes, 10.65 seconds
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