An archer lines up an arrow on the horizontal exactly dead center on a target as drawn in the figure below. She releases the arrow, and it strikes the target a distance h = 6.2 cm below the center. The target is 10 m from the archer. Neglect air drag.
(a) How long was the arrow in the air before striking the target?
s
(b) What was the initial velocity of the arrow as it left the bow?
m/s