With ib physics hl
just question 1 a and b

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be