Motorcyclist 8671
The motorcyclist was riding:
a) the first half of the driving time at a speed of 30 km/h, the second half of the time at a speed of 60 km/h,
b) the track's first half at a speed of 30 km/h and the second half at a speed of 60 km/h.
Determine its average speed.
a) the first half of the driving time at a speed of 30 km/h, the second half of the time at a speed of 60 km/h,
b) the track's first half at a speed of 30 km/h and the second half at a speed of 60 km/h.
Determine its average speed.
Correct answer:

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