question archive In the original Indiana Jones movies, our hero is attempting to claim a precious gold relic from a poor world country
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In the original Indiana Jones movies, our hero is attempting to claim a precious gold relic from a poor world country. He estimates the size of his prize and carefully adjusts the volume of sand in his bag to equal that of the gold relic. With the great dexterity that only Indiana Jones posseses, he swiftly but delicately swaps the sand for the gold. Afer a moment of delight, he realizes he has misjudged and the ancient tomb is not fooled. Why?
Answer:
This can be explained besed on the differences between densities of different substances.
Gold has a density of 19.3 g/cm3, where as sand has an approximate density of 2.5 g/cm3.
Assuming both snadbag and gold relic hace the similar volume, their masses will be quite different. Gold having higher density than sand will have greater mass. Hence due to mass imbalance the sandbad wouldn't be working.