Football Vector Motion Problem

1. The problem statement, all variables and given/known data
A quarterback is running across the field, parallel to the line of scrimmage, at a constant speed of 2.5m/s, when he spots an open, stationary receiver straight downfield from him (ie, in a line parallel to the sidelines). If he can throw the football at a speed of 8.0m/s, relative to himself, at what angle, relative to the sidelines, must he throw it in order to hit the receiver? How far downfield was the receiver?

2. Relevant equations
Pythagorean theorem

3. The attempt at a solution
Attachment 67039

Attached Images
File Type: jpg IMG_0282.jpg (80.9 KB)

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