Answer :
The horizontal distance the ball has traveled is 20m.
What does "projectile motion" mean?
A projectile is an object that is launched into the air and moves in that direction. The only force an object experiences after the initial force that launches it is gravity. Projectile refers to the object, while trajectory refers to its course.
How to solve the given question?
It is given in the question that,
initial horizontal velocity, Vx = 4 m/s
time = 5 sec
since no horizontal force is acting there,
therefore, dX = Vx × t
dX = 4×5 = 20m
The ball has therefore traveled 20 meters (m) in a horizontal direction.
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