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determine the mechanical energy of a 450 kg roller coaster moving at 30 m/s at the bottom of the first dip which is 15 m above ground ​
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determine the mechanical energy of a 450 kg roller coaster moving at 30 m/s at the bottom of the first dip which is 15 m above ground ​

User Sheri
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the answer is 268650 j
User Ibn Saeed
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