A uniform solid sphere is rolling without slipling on a surface as shown in figure with a translational velocity v m/s. If it is to climb the inclined surface then v should be
1
\(\ge\sqrt{{\dfrac{10}{7}}\:gh}\)
2
\(\ge \dfrac{10}{7}\:gh\)
3
≥ 2gh
4
\(\le \sqrt{2gh}\)