Question

3.
A particle moves in straight line in same direction for 20 seconds with velocity 3 m/s and then moves
with velocity 4 m/s for another 20 sec and finally moves with velocity 5 m/s for next 20 seconds. What
is the average velocity of the particle?
(A) 3 m/s
(B) 4 m/s
(C) 5 m/s
(D) Zero​

Answer 1

Average velocity = (D) Zero
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