Suggested Answer
Part aJust use v=d/td = vtd = 7 x 1.5For part bVf=Vi +atVf=0 + (9.8)(1.5)d= ((Vi + Vf) /2) x td = ((0 + Vf) /2) x 1.5In second equation, use Vf found in first equation
Part aJust use v=d/td = vtd = 7 x 1.5For part bVf=Vi +atVf=0 + (9.8)(1.5)d= ((Vi + Vf) /2) x td = ((0 + Vf) /2) x 1.5In second equation, use Vf found in first equation