This picture was taken at the state championship meet for cross country, the meet took place at island school on the island of Kauai. All of the people in this picture are projectiles because they are moving through the air. When they go in the air they move like a parabola. Everyone moves like a parabola in the air because gravity is always constant and gravity is always on. If there was no gravity then we wouldnʻt be able to run. Also if there was no gravity then objects in the air wouldnʻt move like a parabola, there would be no constant motion map for projectiles. It would be very hard to do physics with out any gravity on earth. We would have to find a new constant for something similar to gravity.
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