Hello, Could you help me with the questions under and could you please right it on paper since it helps me understand the answer better, thank you

7. A baseball hit straight up into the air from an initial height of 1 m has a height, h , in metres, after : seconds of h= -4.93 + 40+1,12 0 a) The ball has a constant vertical acceleration. What is it? b) When is the velocity of the ball equal to zero? c) What is the position of the ball after a half-second of travel