Question

You need to determine the density of a ceramic statue. If you suspend it from a spring scale, the scale reads 30.4 N . If you then lower the statue into a tub of water, so that it is completely submerged, the scale reads 17.0 N .

Answer #1

The weight of the ceramic statue in air is

When submerged in water, the water applies buoyant force on the statue. As a result the weight of object in water is lower than the weight in air. The weight of the statue in water is

Let V be the volume of the statue, and ρ_{w} be
the density of water.

Solving for volume

Substituting values

The mass of the statue is

The density of the statue is

You need to determine the density of a ceramic statue. If you
suspend it from a spring scale, the scale reads 31.4 N . If you
then lower the statue into a tub of water, so that it is completely
submerged, the scale reads 17.0 N . What is the density?

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you suspend it from a spring scale, the scale reads 249 N. If you
then lower the statue into a tub of water so that it is completely
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