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What is the horizontal component of acceleration of a projectile in projectile motion, AND what is...

What is the horizontal component of acceleration of a projectile in projectile motion, AND what is the horizontal component of velocity of a projectile in projectile motion? Please assume that there is no air resistance? Please explain your answer in a short paragraph and type in any calculations you would need to determine this. in a problem.

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Answer #1

On earth's surface, there is an acceleration in the vertical direction only. So, there is no horizontal comonent of acceleration.

Hence, horizontal component of acceleration = 0 m/s2

Also, let the initial speed of the projectile be u and its initial angle with horizontal be .

So, initial horizontal velcoity = u cos. Since there is no horizontal acceleration, horizontal velocity is constant throughout.

Hence, horizontal component of velocity = u cos.

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