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I hv been try to do but...calcu the GPE of a roller coaster car points B is 5m/C 3,2m nd C 9,8 also D...

  • physical - ,

    Help me please

  • physical - ,

    If a object has a w of 1060 calculate the mass

  • physical - ,

    I do not understand the first question.
    In general U = m g h
    m in kilograms
    g is about 9.81 m/s^2 on earth surface
    h is height in meters above some reference level, probably the ground here.

    If a object has a w of 1060 calculate the mass

    m g = 1060 Newtons I assume
    m = 1060 /9.81 in kilograms

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