Motion in a Straight Line
- A bus travelling the first one third distance at a speed of 10 km/h, the next one third at 20 km/h and the last one-third at 60 km/h. The average speed of the bus is
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Average speed
Average speed = s (s/3)/10 + (s/3)/20 + (s/3)/60 = s = 18 km/h s/18 Correct Option: C
Average speed
Average speed = s (s/3)/10 + (s/3)/20 + (s/3)/60 = s = 18 km/h s/18