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A classmate throws a 1.1-kg book from a height of 1.3 m above the ground straight up into the air. The book reaches a maximum h...Asked by Anonymous
A classmate throws a 1.1-kg book from a height of 1.3 m above the ground straight up into the air. The book reaches a maximum height of 4.0 m above the ground and begins to fall back. Assume that 1.3 m above the ground is the reference level for zero gravitational potential energy.
Determine the gravitational potential energy of the book when it hits the ground.
Determine the gravitational potential energy of the book when it hits the ground.
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Answered by
bobpursley
then it is GPE=mgh=-mg*1.3