Circular track

The circular running track has a radius of 50 m. How many laps does a runner have to do to run 5 km?

Correct answer:

n =  16

Step-by-step explanation:

r=50 m o=2π⋅ r=2⋅ 3.1416⋅ 50≐314.1593 m  s=5 km→ m=5⋅ 1000  m=5000 m  n1​=s/o=5000/314.1593≐15.9155  n=⌈n1​⌉=⌈15.9155⌉=16

Try another example


Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Do you want to convert length units?
Do you want to round the number?

You need to know the following knowledge to solve this word math problem:

Units of physical quantities:

Grade of the word problem:


 
We encourage you to watch this tutorial video on this math problem: video1   video2

Related math problems and questions: