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If there is a ball sitting on top of a hill with 100J of GPE. How much KE should there be at the bottom of the hill if there is no friction?
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If there is a ball sitting on top of a hill with 100J of GPE. How much KE should there be at the bottom of the hill if there is no friction?

User Jomaora
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GPE=mgh=100J
KE=1/2mv^2
Assume there would be no more potential energy,
GPE=KE
100J due to energy conservation law
User Robhudson
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