Question

21. A body moving with uniform acceleration is having
velocity 2 m/s and 8 m/s at t = 1 s and t = 4 s
respectively. Then average velocity of particle in the
time interval t = 1 s to t = 4 s is
(1) 2 m/s (2) 3 m/s
(3) 5/3 m/s (4) 5 m/s
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Answer 1

Answer:

2 m/s . from (v+u)/t . . .