Athletic competition

In a 400-meter athletic competition, a participant covers the distance given below. Find the average speed.

first 80 meters 10 m/s
next 240 meters 7.5 m/s
last 80 meters 10 m/s

Correct answer:

v =  8.3333 m/s

Step-by-step explanation:

s = vt s1=80 m s2=240 m s3=80 m  v1=10 m/s v2=7.5 m/s v3=10 m/s  t1=s1/v1=80/10=8 s t2=s2/v2=240/7.5=32 s t3=s3/v3=80/10=8 s  v=t1+t2+t3s1+s2+s3=8+32+880+240+80=325 m/s=8.3333 m/s

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

Tips for related online calculators
Looking for calculator of harmonic mean?
Looking for a statistical calculator?
Do you want to convert length units?
Do you want to convert velocity (speed) units?
Do you want to convert time units like minutes to seconds?

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

Related math problems and questions: