50 40 30 20- 10 A) A ball is thrown straight up such that its height, in feet, above the ground after t seconds is H(t) 59 t - 16t. = Find the time t when the ball is traveling upward with a velocity of 14.75 ft S NOTE: You may round your result to two decimal places. t seconds 90+ 80 70- 60 50- 40- 30- 20- 10- B) A ball is thrown straight up such that its height, in feet, above the ground after t seconds is H(t) 76 t 16t. ft Find the time t when the ball is traveling downward at 19 NOTE: You may round your result to two decimal places. t = seconds