Question

A particle travel one-third of the total distance of the journey with speed 10 m/s, the next
one third of the total distance with speed 20 m/s and the remaining distance with speed
40 m/s. The average speed of the particle for the journey is
O 35 m/s
O 23.4 m/s
O 17.14 m/s
O
14.6 m/s​

Answer 1

Answer:

17.14m/s

Explanation:

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Answer 2

Answer:

17.4m/s...............