A 4 kg box on the ground has a total of three horizontal forces on it as shown. The acceleration of the box is...
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Answer:
If the projectile is launched horizontally the time it remains in the air will remain constant even if we increase the horizontal velocity.
Explanation:
The vertical displacement will be the same irrespective of the horizontal velocity assuming the projectile is launched from same height. The formula for vertical displacement is given by:
where, y = vertical displacement, t = time,
g = acceleration due to gravity,
= Initial vertical velocity
Since, projectile is launched horizontally, therefore
so the equation becomes
The above equation shows that time spend in air is not dependent on horizontal launched velocity as there is no horizontal velocity in the formula therefore the time in air will remain constant even if we increase the horizontal velocity.