Which of the following are true for an object in projectile motion?

check all that apply.

a. the time it takes the object to reach the ground is not affected by its initial velocity.
b. the object accelerates to earth at g = 9.8 m/s2.
c. the horizontal and vertical motions are independent.
d. the only force acting on the object is gravity.

What makes fort sill historically unique among other regional military installations? a. it is the site where seven major commanders of us military efforts were trained. b. it houses the largest explosive weapons factory in the united states. c. it specializes in training soldiers to preserve the cultural artifacts of nations invaded by the us military. d. it is the oldest functioning installation in oklahoma.