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Physics Homework Problem? 0 votes

A 1.80-m tall human lifts a 2.30-kg publication from the ground so the is 2.30 m over the ground.

You are watching: What is the potential energy of the book relative to the ground?

please log in or register to include a comment. please log in or register to answer this question. 3 answers 0 votes

1)

Mass of the publication is

kg.Height that the human is

m.Height of the book above the ground is

m.Potential energy of the object is

.Where

mass the the thing andheight of the object.Find thepotential energy of the publication relative come the ground.

Substitute

,andin.Potential energy of the publication relative come the floor is 51.84 J.

answeredOct 1, 2015by cameronMentoreditedOct 1, 2015by cameron you re welcome log in or it is registered to include a comment. 0 votes2)

Find thepotential energy of the publication relative come thetop of the persons head.

Whenever calculatingpotential energyrelative to thetop that the person

s head, take into consideration the elevation of theobject over the persons head.Height of the object over the person

shead ism.Substitute

,andin.See more: How To Prove That A Rectangle Has Congruent Diagonals, Prove It Is A Rectangle

Potential energyrelative come thetop that the person

s head is 11.27 J.answeredOct 1, 2015by cameronMentor you re welcome log in or it is registered to add a comment. 0 votes