A. = PE = Mg*h = 1.8*9.8 * 1.95 =
B. PE = 1.8*9.8 * 1.55 =
A 1.55 m tall person lifts a 1.80 kg book off the ground so it is 1.95 m above the ground.
A.)
What is the potential energy of the book relative to the ground?
B.)
What is the potential energy of the book relative to the top of the person's head?
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