Posted by **John** on Thursday, February 2, 2012 at 10:57pm.

In a game of American football, a quarterback takes the ball from the line of scrimmage and runs backwards for 10 yards, and then sideways to the left, parallel to the line of scrimmage for 15 yards. At this point, he throws a forward pass at the angle of 60 degrees with respect to the line of scrimmage to the right. Ball flies 50 yards in this direction, before it is caught. What is the total distance between were the ball was initially spotted and were it was caught?

a)Write down x and y components of each vector.

b)Add components up to obtain components of the total displacement.

c)Calculate magnitude of the total displacement vector.

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