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miriwee

  • 4 years ago

The figure below shows a cubical box that has been constructed from uniform metal plate of negligible thickness. The box is open at the top and has edge length L = 27 cm. Find the coordinates of the center of mass of the box. ____x coordinate ____y coordinate ____z coordinate

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  1. miriwee
    • 4 years ago
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  2. Sandeez
    • 4 years ago
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    because it's a cubical box, all edges are the same length. therefore, the center of mass is the midpoint of each edge.

  3. miriwee
    • 4 years ago
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    but it has no top. I'm having trouble finding z. I know x and y are 13.5 but z its telling me the answer is different

  4. Sandeez
    • 4 years ago
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    oh i see. my first thought then is to take a physics approach then. because the bottom adds mass to the box, so the center of mass should actually be less than 13.5

  5. miriwee
    • 4 years ago
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    ok thanks. i think i got it now...and this is a physics based question lol

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