Douchan

What is the pOH of 2.26 M Ba(OH)2? Ba(OH)2 ==> Ba^+2 + 2OH^- (OH)^- = 2 x 2.26 M. pOH = - log(OH^-) = ??

A subway train starts from rest at a station and accelerates at a rate of 1.60m/s^2 for 14.0 s. It runs at constant speed for 70.0 s and slows down at a rate of 3.50m/s^2 until it stops at the next station. What is the total distance covered?

Ok I finally messed around and somehow got E, F, and G can someone please help me with a and b?????

I am really confused as to what you are doing here.