Remaining 3195

A cyclist covered a track of 40m in 5s. The first section of the 30m track was covered in 3s; the remaining section was covered in 2s. Specify:

a) the average speed of the cyclist on the first section of the track
b) the average speed of the cyclist on the second section of the track
c) the average speed of the cyclist on the entire track

Correct answer:

a =  10 m/s
b =  5 m/s
c =  8 m/s

Step-by-step explanation:

a=30/3=10 m/s
b=(4030)/2=5 m/s
c=(a 3+b 2)/(3+2)=(10 3+5 2)/(3+2)=8 m/s



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