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shalinisellvaraja shalinisellvaraja
  • 30-05-2024
  • Biology
Answered

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

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