無料Density – need to know volume - gold ringアニメーション

Density – need to know volume - gold ring A jeweller wants to find out how pure a gold ring is, and to do this he needs to determine its density. He measures the mass of the ring, but he still needs to know something else about the ring to determine its density.

Density – need to know volume - gold ring A jeweller wants to find out how pure a gold ring is, and to do this he needs to determine its density. He measures the mass of the ring, but he still needs to know something else about the ring to determine its density.