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Homework Help: Vector problem think i have it but just wanted to check

  1. Sep 9, 2008 #1
    1. The problem statement, all variables and given/known data

    in a game of football, a player takes the ball from the line of scrimmage, runs backward a distance of 10 yards, and then runs sideways parallel to the line of scrimmage for 15 yards. at this point, he throws a forward pass 50 yards straight downfield perpendicular to the line of scrimmage. what is the magnitude of the football's resultant displacement?

    2. Relevant equations

    a2+n2= c2

    3. The attempt at a solution

    I drew a diagram and got 402+152 and did that out to get the answer as 42.7 yards. did i do this right?
  2. jcsd
  3. Sep 9, 2008 #2
    Yes, assuming the question means displacement fro the football's starting point.
  4. Sep 9, 2008 #3
    42.7 yards is correct.
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