In this segment, NBC's Lester Holt looks at the role vectors play every time an NFL quarterback throws a pass. With the help of former NFL quarterback Joey Harrington, NSF-funded scientists John Ziegert, a professor at Clemson University, and Rhonda Hughes, a professor at Bryn Mawr College, explain how to use vectors to calculate the speed and direction needed for a completed pass.
Credit: NFL, NBC Learn and National Science Foundation
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