What is a mixture, element or a compound

What is the equation for electrical work?

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b