SOLUTION: [ What is the average speed of a runner who travels 15 [METERS] in 5 seconds. He then stops to get a drink for 2 minutes. He then runs 3 km in 17 minutes and 32 seconds. ]
one
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Question 816547: [ What is the average speed of a runner who travels 15 [METERS] in 5 seconds. He then stops to get a drink for 2 minutes. He then runs 3 km in 17 minutes and 32 seconds. ]
one of my answers is 173.57 m/sec.
thanks
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
total time in seconds:
t = 5 + (2 min * 60 sec/min) + (17 min * 60 sec/min) + 32
t = 5 + (120) + (1020) + 32
t = 1177 sec
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total distance in meters:
d = 15 + (3 km * 1000 m/km)
d = 15 + (3000)
d = 3015 meters
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s = d / t
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s = 3015 / 1177 = 2.562 m/sec
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