posted by mike .
A hockey puck has an initial velocity of 44 m/s and a final velocity of 34 m/s.
(a) If it travels 25 m during this time, what is the acceleration?
(b) If the mass of the puck is 0.13 kg, what is the horizontal force on the puck?
a) Vf^2=Vi^2+2ad solve for a.