Question

1.
A particle travels half the distance of a straight journey
with a speed 5 m/s. The remaining part of the distance
is covered with speed 6 m/s for half the remaining
time, and with speed 4 m/s for the other half of the
remaining time. The average speed of the particle is
(1) 3 m/s
(2) 4 m/s
(3) 2 4 m/s
(4) 5 m/s​

Answer 1

Answer:

Hi.

Explanation:

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