Iswer ALL Questions. V = Jabt + bt The velocity, v, of an object depends on the time, t, according to the equation: v = Vabt + bt ms - 1 = JCD (b ) s + b (s ) By using dimensional analysis, determine the dimension of b. (bs ) '2 + bs (3 marks) E A student then uses the correct dimension of b in Q1. (a) (i) and determines the dimension of a to be LT-2. Evaluate the correctness for the dimension of a from this student. (4 marks)