1.

An artist in a circus moves along the hexagonal path of each side 20 metres in such a way that for the first 20 meters he goes with a speed of 20 m/s and the next 20 meters with a speed of 10m/s. similarly he continuous for the rest of the hexagonal path with the same alternating speed i.e , 20 m/s and 10m/s . the average speed of the artist per round of the circus is :

Answer»

13.33 m/s
23.66 m/s
`39(1)/3`
15m/s

Answer :A


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