Based on the learning goals for this unit, list 3 things you should be able to know/do to be successful on the unit summative. The unit is Energy and Momentum grade 12 (work, kinetic energy, GPE, Hooks law, Spring potential energy, momentum impulse conservation of linear momentum in 1 and 2 dimensions, elastic and inelastic collisions ). I'm having trouble writing paragraphs on the 3 key units? need help