Both balls will take the same amount of time to hit the ground if they are dropped and fired from the same height.
What is Projectile motion:
For a ball fired horizontally from same height and time, there is only a vertical acceleration on it towards the ground.
This acceleration is equal to the acceleration due to gravity (g = 9.81 m/s^2).
A ball dropped from the same height will also experience the same vertical acceleration downwards as the horizontal acceleration.
Therefore,
Both balls will take the same amount of time to hit the ground if they are dropped and fired from the same height.
Learn more about Projectile motion here:
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