After a projectile is fired horizontally, what are the acceleration in the x and

Question

After a projectile is fired horizontally, what are the acceleration in the x and y directions?
What is the initial velocity in the y-direction?
What do you need to measure in order to determine the initial velocity of a projectile fired horizontally?
After a projectile is fired horizontally, what are the acceleration in the x and y directions?
What is the initial velocity in the y-direction?
What do you need to measure in order to determine the initial velocity of a projectile fired horizontally?
After a projectile is fired horizontally, what are the acceleration in the x and y directions?
What is the initial velocity in the y-direction?
What do you need to measure in order to determine the initial velocity of a projectile fired horizontally?

Explanation / Answer

Here , for the projectile ,

as the gravity act in the vertical direction

acceleration in x - direction = 0

acceleration in y -direction = 9.8 m/s^2 downwards

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as the projectile ios fired horizontally ,

the initial velocity in vertical direction is 0 m/s

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as initial speed = distance in horizontal direction/time of flight

hence , we need range and time of flight of projectile

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