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
.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1255680/original_21.png)