Mary and Debra stand om a roof. They throw balls with the same initial speed, but in different directions. Mary throws her ball downward, at
30\deg
below the horizontal; Debra throws hers upward, at
30\deg
above the horizon /hich of the following statements are true about just as the balls reach the ground below? (Choose all that apply.) Both balls will hit the ground with the same speed. Debra's ball will have a higher speed than Mary's snowball. Mary's ball reaches the ground before Debra's snowball. Mary's ball will have a higher speed than Debra's snowball. Both balls hit the ground at the same time.