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Engineering

As shown in the figure, a particle of mass 10 kg is placed at a point A. When the particle is slightly displaced to its right, it starts moving and reaches the point B. The speed of the particle at B is x m/s. (Take g = 10 m/s²) The value of 'x' to the nearest integer is____. [Diagram: A particle of mass 10 kg is at point A, 10m above a horizontal surface. It moves along a curved path to point B, which is 5m above the horizontal surface.]

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