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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

A particle moves for 20 s with velocity 3 ms and then moves with velocity 4 ms for another 20 s and finally moves with velocity 5 ms for the next 20 s. What is the average velocity of the particle?

Answer: (B)

Solution

Total displacement (motion throughout in the same direction)

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Question ID VK-151904