Gravitational Potential Energy y1

`y_1 = v_2 ^2/(2g) + y_2 - v_1 ^2/(2g) - W_(other) /( m g)`

`(v_1)"Initial Velocity"`

`(v_2)"Final Velocity"`

`(m)"Mass"`

`(W_(other))"Work by Other Force"`

`(y_2)"Final Position"`

University Physics 12th Edition, Chapter 7, Equation #7.8