2) of 3 Kg ball is frown upwards with an initial velocity ? I'm Is a) Using energy methods , find the maximum height the ball reaches above its initial position 21 AKE = I mu- Ivo Dy = Le - F. g Fg = - mgg = ( - 3 ky ) ( 3.8 5 ) U: ARE 1 5 = 181.55 KE = ; (3 kg ) ( 11 m ) = 181.5J. - ( - 29 ( ) N = 6. 2 m. 4 : - F. q. Dy? b ). Using the energy methods , find the speedy the ball ceken it reaches a height f 3 in above its initial position . * think about the total energy. - the speed in par b should lee the same as part ( a ?)