Part A What are the horizontal vj and vertical vy components of the ball's initial velocity? A tennis player hits a ball at ground level, giving it an initial velocity of Express your answers in meters per second separated by a comma. 21.0 m/s at 54.0 above the horizontal. AZQ doe ? Uh, Uv m/s Submit Request Answer Part B How high above the ground does the ball go? Express your answer in meters. VI AEQ E ? h m Submit Request Answer Part C How long does it take the ball to reach its maximum height? Express your answer in seconds. IVO 2 ? t = Submit Bequest