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=10m/s2The value of ‘x’ to the nearest integer is ___

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answer is 10.

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Detailed Solution

Conservation of energyP.E=K.E ⇒mg(h1−h2)=12mv2 ⇒g×5=12v2 ⇒v=10 m/s

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