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CUSAT 2021 BTech Solved Paper Shift 3

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Question : 3

Total: 250

A particle moves for 20 seconds with velocity 3m∕ s and then with velocity 4m∕ s for another 20 seconds and finally moves with velocity 5m∕ s for next 20 seconds. Then the average velocity of the particle is

3m∕ s
4m∕ s
5m∕ s
Zero

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