A 1.70-m tall person lifts a 2.50-kg book from theground so it is 2.40 m above the ground.

Part A

What is the potential energy of the book relative to theground?

Express your answer to three significant figures and include theappropriate units.

Part B

What is the potential energy of the book relative to the top ofthe person's head?

Express your answer to three significant figures and include theappropriate units.

Part C

How is the work done by the person related to the answers inparts A and B?

1. The work done by the person in lifting the book fromthe ground to the final height is the same as the answer to partA

2. The work done by the person in lifting the book fromthe ground to the final height is the same as the answer to partB