marble paperweight shaped similar to a prism weighs 0.2 lbs. how much does a similar marble paperweight weigh?

if its height length and widths are tripled?

1 Answer

  • ?
    6 days ago

    weight of an the object is proportional to volume.

    when you triple height , volume triples

    when you triple sides then the volume which is proportional to area of face

    which in turn is proportional to square of the sides

    so volume is proportional to square of the sides.

    so volume must increase 9 times.

    so total volume is increased 27 times.

    weight = 5.4 lbs

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