A particle moves for $20 \,seconds$ with velocity $3 \,m/s$ and then velocity $4\, m/s$ for another $20 \,seconds$ and finally moves with velocity $5 \,m/s$ for next $20\, seconds$. What is the average velocity of the particle..........$m/s$
A particle moves for $20 \,seconds$ with velocity $3 \,m/s$ and then velocity $4\, m/s$ for another $20 \,seconds$ and finally moves with velocity $5 \,m/s$ for next $20\, seconds$. What is the average velocity of the particle..........$m/s$
- A
$3$
- B
$4$
- C
$5$
- D
$0$
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