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ksaimouli

  • 3 years ago

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  1. ksaimouli
    • 3 years ago
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    a 48 kg person is sled-riding down a hill that is 4.6m high. starting at the top with the speed of 3.1m/s the sled reaces down with the speed of 7.6m/s determine the distance (Ef-E0) between the final and initial total mechanical energy

  2. ksaimouli
    • 3 years ago
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    @furnessj

  3. furnessj
    • 3 years ago
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    Sorry, gotta log off, I can look tomorrow. But i'm not sure exactly what the question is asking for? got a diagram or scan?

  4. ksaimouli
    • 3 years ago
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    no

  5. ksaimouli
    • 3 years ago
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    but the answer is -1.0*10^3

  6. furnessj
    • 3 years ago
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    Is it just asking for the difference in kinetic energy at the top and at the bottom? That is 1156J. Is the 7.6m/s the speed at the bottom?

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