Need help with part 6 thanks

reaches height of h above the ground before falling back down. Take the upwar positive. Refer to the figure. Neglect air resistance. Status for iew itus mpleted Otheexpertta.com mpleted mpleted 8% Part (a) What is the acceleration, in meters per second squared, to the ball when it is in the air? mpleted a= -9.8 a=-9.800 m/s Correct! tial npleted 8% Part (b) What is the velocity of the ball, in meters per second, when it reaches the top of its trajectory? pleted vy =0.000 m/s Correct! nplete ial 8% Part (c) Enter an expression for the height of the ball at a given time, h, the ball reaches in terms of the velocity at the current height vn, the initial velocity vi, and the acceleration a. h= (v2- vi?)/(2a)