[b]1. A hockey puck has an initial velocity of 49 m/s and a final velocity of 35 m/s. If it travels 25 m during this time, what is the acceleration?
[b]2. V^2=V0^2+2a(x-x0)
[b]3. I can't even begin the above equation because I don't know what my velocity is. I tried putting my final...