Saved Bookmarks
| 1. |
A ball is thrown vertically downwards from a heigh tof 20m with ani nitial velocity v^2.It collides witht h eground,loses 50% of its energy in thec ollision and rebounds to the same height.The initial velocity v is?\lbrack g=10m/s^2\rbrack |
| Answer» A ball is thrown vertically downwards from a heigh tof 20m with ani nitial velocity v^2.It collides witht h eground,loses 50% of its energy in thec ollision and rebounds to the same height.The initial velocity v is?\lbrack g=10m/s^2\rbrack | |