A projectile is any object moving through the air where the only force acting upon it is gravity. As the projectile is thrown into the air at its given initial velocity, it accelerates at a rate of -9.8m/s^2 in the y-direction. Meaning it moves in a fast-slow-stop-slow-fast motion pattern. However, on the x-axis it moves at a constant speed. This unique combination causes the projectile to move in a parabolic motion.
During physics this week, we practiced finding unknown values dealing with projectiles. Initial velocity, range of the y and x axis, and time of flight were just a few we were able to find. Physics also allowed us to predict the landing of a silver ball given its velocity, height, and acceleration.
The picture of the skater below is a projectile. His motion in the x-axis is constant whereas he is accelerating at -9.8m/s^2 in the y-axis.
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