Correct: A projectile is a free-falling object., A projectile experiences negligible or no air resistance., A projectile must be accelerating in the downward direction., A projectile could begin its projectile motion with a downward velocity., an object which is moving through the air and not touching any surface, a free-falling object, an object upon which the only significant force is the force of gravity, a falling feather in a vacuum chamber, Incorrect: A projectile must be moving in the downward direction., A projectile does not have to have horizontal motion., a falling skydiver with an open parachute, any object upon which air resistance is negligible, a falling feather outside,

Projectile Motion KuH

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