Asoccer ball is kicked from point pi at an angle above a horizontal field. the ball follows an ideal path before landing on the field at point pf . which of the following statements is true when the ball is at point x?
a. the horizontal velocity vector points to the right & equals v cos î¸.
b. the vertical velocity points up & equals v sin î¸.
c. the acceleration vector points up.
d. the total velocity equals the initial velocity v.