Each of the following equations was given by a student during an examination: Here m-mass, v- speed, vo-speed, g, and an acceleration, t-time, h-height 1) mv = mv + mgh 2) v = v. + at 3) ma = v Do a dimensional analysis of each equation, find the correct answer which is given below. A) Equation 1 B) Equation 3 C) Equations 1 and 2 D) Equations 1 and 3. E) Equations 2 and 3