Cammyalyse02 Cammyalyse02 30-03-2017 Physics contestada A tennis ball is hit at an angle of 20° to the horizontal with a velocity of 21 m/s. What is its velocity in the y-direction? A. 7.2 m/s B. 19.7 m/s C. 6.8 s D. 0.9°
