Kcet
Work Energy And Power
KCET 2023
MCQ+1 / -02023
A ball of mass \(0.2 \mathrm{~kg}\) is thrown vertically down from a height of \(10 \mathrm{~m}\). It collides with the floor and loses \(50 \%\) of its energy and then rises back to the same height. The value of its initial velocity is