Asked by Gine
The record for the boston Marathon wheelchair division is 1 hour, 18 minutes, and 27 second long.
The boston marathon is 26.2 miles long. What was the average speed of the record winner of the wheelchair division?
The boston marathon is 26.2 miles long. What was the average speed of the record winner of the wheelchair division?
Answers
Answered by
Bosnian
1 min = 60 sec
1h = 60 min
1h = 60 min = 60 ∙ 60 sec = 3600 sec
1 h 18 min 27 sec = 1 + 18 / 60 + 27 / 3600 =
3600 / 3600 + 18 ∙ 60 / 60 ∙ 60 + 27 / 3600 =
3600 / 3600 + 1080 / 3600 + 27 / 3600 = 4707 / 3600 h
average speed = distamce / time = 26.2 mi / ( 4707 / 3600 ) h =
26.2 ∙ 3600 mi / 4707 h = 94320 mi / 4707 h = 20.038241 mi / h
average speed approximately = 20 mi / h
1h = 60 min
1h = 60 min = 60 ∙ 60 sec = 3600 sec
1 h 18 min 27 sec = 1 + 18 / 60 + 27 / 3600 =
3600 / 3600 + 18 ∙ 60 / 60 ∙ 60 + 27 / 3600 =
3600 / 3600 + 1080 / 3600 + 27 / 3600 = 4707 / 3600 h
average speed = distamce / time = 26.2 mi / ( 4707 / 3600 ) h =
26.2 ∙ 3600 mi / 4707 h = 94320 mi / 4707 h = 20.038241 mi / h
average speed approximately = 20 mi / h
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