4. A ball is thrown in the horizontal direction from a height of 10m with a velocity of 21m/s (a) How far will it hit the ground from its initial position on the ground? and with what velocity?
4. A ball is thrown in the horizontal direction from a height of 10m with a velocity of 21m/s (a) How far will it hit the ground from its initial position on the ground? and with what velocity?