> (Ch 03 HW Problem 3.56 Romeo is throwing pebbles gently up to Juliet's window, and he wants the pebbles to hit the window with only a horizontal component of velocity. He is standing at the edge of a rose garden h = 9.0 m below her window and L 7.8 m from the base of the wall (Figure 1). Part A Figure > 1 of 1 < < 36 of 40 > Review | Constants How fast are the pebbles going when they hit her window? Express your answer to two significant figures and include the appropriate units. HA ? v = Value Units