The Height of a Baseball in Feet $t$ Seconds After It Has Been Hit Is Given By

Short Answer

The height of a baseball in feet $t$ seconds after it has been hit is given by $y=2+40 t-16 t^{2}$ .
a) What is the height of the ball 0.2 seconds after it was hit?
b) When does the ball hit the ground? (If necessary, round your answer to three decimal places)