Which of the following statements are true of projectiles? List all that apply.
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1. A projectile is a free-falling object.
T
6. A projectile could begin its projectile motion with a downward velocity.
T
2. A projectile experiences negligible or no air resistance.
T
4. A projectile must be accelerating in the downward direction.
T
7. A projectile does not need to be "falling."
T
3. A projectile must be moving in the downward direction.
F
5. A projectile does not have to have horizontal motion.
T
