shalinisellvaraja shalinisellvaraja 31-05-2024 Biology contestada A pile of books has a mass of 5 Kg. They are lifted from the floor and placed on a shelf. If the pile of books gains 120 J of potential energy, how high is the shelf? ( 1 mark) Select one: a. 2.45 m b. 1.42 m c. 3.63 m d. 0.39 m
