Respuesta :
The vertical velocity of projectile y is changing, and the horizontal velocity of projectile x is constant because the projectile motion occurs due to gravity.
Describes the motion of the projectiles?
Projectile motion is a type of motion of an object that is projected vertically upward into the air and moving due to gravity and it also moves horizontally into the air moving independently of gravity.
So we can conclude that The vertical velocity of projectile y is changing, and the horizontal velocity of projectile x is constant because the projectile motion occurs due to gravity.
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Answer:
The vertical velocity of projectile Y is changing, and the horizontal velocity of projectile X is constant.