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Any help would be appreciated. Thanks

A 1200 kg frictionless roller coaster starts from rest at a height of 19 m. What is its kinetic energy when it goes over a hill that is 11 m high?

- Thread starter slcxow
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Any help would be appreciated. Thanks

A 1200 kg frictionless roller coaster starts from rest at a height of 19 m. What is its kinetic energy when it goes over a hill that is 11 m high?

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Hint: Conservation of energy

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