Physics 111A - Lab 111

# Unknown source in the room parallax error material

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unknown source in the room, parallax error, material properties of the projectile or wear-and-tear over time from other lab setups, and/or faulty measurement instruments. Having accurately reading measurement instruments and taking time to precisely report accurate measurements would improve the experiment thus reducing error. The motion of projectile follows either horizontally then gradually curving down (Part I) or curving upward then reaching an apex then curving downward (Part II). The curving is a result from acceleration due to gravity. The shape of the projectile’s path follows a parabolic motion.

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Conclusion Horizontal and vertical motion are independent of each other. The velocity in the x-direction is constant because there is no acceleration acting on a projectile in that motion. Acceleration due to gravity affects how the projectile moves in the y-direction, its distance from its origin from the x-direction, and the time it reaches the ground. Inclined angles affect the projectile’s distance and time.

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