Objects A and B with the same mass m = 2 kg undergo a direct central impact. Before the impact, A is moving to the right with a velocity of 4 m/s and B is stationary. Determine the velocity of A after impact if the impact is perfectly plastic. O 4 m/s 6 m/s 2 m/s

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A:

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A:

Q: Figure 2. Inside perimeter Outside perimeter Centreline

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Drainage of Pavements

Pavement Drainage holds ample significance, as it prevents the accumulation of water or any liquid on the surface of pavements and ensures proper drainage system. With proper design and gradual slopes provided, the water gets easily removed from the surface into the drains, which are essential during heavy rains and unusual weather conditions keeping it less prone to accidents and increasing the durability of the pavement structure.