# Science Project

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• To see how high you can kick, set the ball in motion above the reference point (goal).
• Ok, Coach.﻿
• ﻿WOW! I calculated the average speed of your kick using the formula total distance over total time on my phone and it came out to 24mph!
• That's fast! I would love to see that on a graph showing speed as position versus time though...﻿
• ﻿Next, I want you to try to get a velocity of 25mph north, directly into the goal.
• Good, you got 25mph exactly, but later I can also show you your acceleration on a graph of speed versus time if you'd like, so you can see for yourself!
• ﻿Do you think the acceleration could change over time? I want to be the fastest kicker in the world!
• If you really wanted to improve your acceleration, and also change your velocity each time, you could use force. In this scenario, you would use unbalanced force because the other types contradict with the rules of soccer.﻿﻿
• Yeah!﻿
• ﻿Oh, and since it's a static object, the ball keeps rolling after the force of the kick has ended.﻿
• ﻿Yeah, because I'm pretty sure a balanced force wouldn't even cause a change in motion!﻿
• It's okay, just don't run after it and waste your energy. Friction will cause it to come to a stop on its own.﻿﻿
• Since it got really late, just do one ﻿﻿more practice kick in the goal before we do a quick scrimmage.
• Shoot. My footwork was completely off.
• YESSS, I should be the one coaching you! ﻿﻿
• NOOOO, I was so confident that I would beat you!﻿﻿
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