1. The problem statement, all variables and given/known data a sled slides along a horizontal surface on which the coeffient of kinetic friction 0.25. its veocity at pt A is 8m/s at pt B its 5m/s. use impulse-momentum theorem to find how long the sled takes to travel from A to B 2. Relevant equations P=J 3. The attempt at a solution m(delta)v=Ft (delta)v=ukgt vf-vi=ukgt uk = kinetic friction coeff. ive gotten this far and im not sure how i'm suppoes to solve for time if theres 2 unknown varibles g and t.. is there a way i can solve for g . am i doing this question correctly?